- A -
- Acorn Corner - Unincorporated place in Pemiscot Co.
- Acorn Ridge - Unincorporated place in Stoddard Co.
- Adelbert - Historical place in Washington Co.
- Advance - Fourth-class city in Stoddard Co. (pop. 1,244)
- Affton - Unincorporated place in St. Louis Co.
- Aid - Unincorporated place in Stoddard Co.
- Airline Acres - Unincorporated place in Mississippi Co.
- Ajax - Historical place in Stoddard Co.
- Akers - Unincorporated place in Shannon Co.
- Alamode - Historical place in Reynolds Co.
- Alfalfa Center - Unincorporated place in Mississippi Co.
- Alfrey - Historical place in Butler Co.
- Alhambra - Historical place in Stoddard Co.
- Alice - Unincorporated place in Texas Co.
- Allbright - Unincorporated place in Madison Co.
- Allens Landing - Historical place in Perry Co.
- Allenton - Unincorporated place in St. Louis Co.
- Allenville - Village in Cape Girardeau Co. (pop. 104)
- Alley Spring - Unincorporated place in Shannon Co.
- Alliance - Unincorporated place in Bollinger Co.
- Altenburg - Fourth-class city in Perry Co. (pop. 309)
- Altheim - Unincorporated place in St. Louis Co.
- Alton - Fourth-class city in Oregon Co. (pop. 668)
- Amanda - Historical place in Crawford Co.
- American - Historical place in Oregon Co.
- Amy - Unincorporated place in Howell Co.
- Anaconda - Unincorporated place in Franklin Co.
- Ancell - Now a part of Scott City
- Angeline - Unincorporated place in Shannon Co.
- Angus - Unincorporated place in Butler Co.
- Annapolis - Fourth-class city in Iron Co. (pop. 310)
- Anniston - Fourth-class city in Mississippi Co. (pop. 285)
- Anthonies Mill - Unincorporated place in Washington Co.
- Antonia - Unincorporated place in Jefferson Co.
- Anutt - Unincorporated place in Dent Co.
- Apple Creek - Unincorporated place in Perry Co.
- Aptus - Unincorporated place in Washington Co.
- Aquilla - Unincorporated place in Stoddard Co.
- Arab - Unincorporated place in Bollinger Co.
- Arbor - Unincorporated place in Cape Girardeau Co.
- Arbor Terrace - Unincorporated place in St. Louis Co.
- Arbyrd - Fourth-class city in Dunklin Co. (pop. 528)
- Arcadia - Fourth-class city in Iron Co. (pop. 567)
- Ardeola - Unincorporated place in Stoddard Co.
- Arditta - Unincorporated place in Howell Co.
- Argo - Unincorporated place in Crawford Co.
- Ark - Historical place in Dent Co.
- Arkmo - Unincorporated place in Dunklin Co.
- Arlington - Unincorporated place in Phelps Co.
- Arnold - Third-class city in Jefferson Co. (pop. 19,965)
- Arnold - Historical place in New Madrid Co.
- Arnsberg - Unincorporated place in Cape Girardeau Co.
- Arroll - Unincorporated place in Texas Co.
- Ascalon - Unincorporated place in St. Louis Co.
- Ash Hill - Unincorporated place in Butler Co.
- Ash Landing - Historical place in St. Francois Co.
- Ashcroft Addition - Neighborhood within Poplar Bluff
- Asherville - Unincorporated place in Stoddard Co.
- Ashley Creek - Unincorporated place in Texas Co.
- Atchers - Historical place in Mississippi Co.
- Attie - Historical place in Oregon Co.
- Austin - Unincorporated place in Dunklin Co.
- Austin Switch - Historical place in Scott Co.
- Austria - Historical place in Phelps Co.
- Avert - Unincorporated place in Stoddard Co.
- Avery - Unincorporated place in Crawford Co.
- Avoca - Historical place in Jefferson Co.
- Avon - Unincorporated place in Ste. Genevieve Co.
- B -
- Baderville - Unincorporated place in New Madrid Co.
- Bado - Unincorporated place in Texas Co.
- Bailey - Historical place in Jefferson Co.
- Bainbridge - Historical place in Cape Girardeau Co.
- Baird - Unincorporated place in Dunklin Co.
- Baker - Village in Stoddard Co. (pop. 5)
- Bakerville - Historical place in Pemiscot Co.
- Baldwinsville - Historical place in Mississippi Co.
- Ballwin - Fourth-class city in St. Louis Co. (pop. 31,283)
- Baltimore Settlement - Historical place in Franklin Co.
- Bandyville - Historical place in Oregon Co.
- Bangert - Unincorporated place in Dent Co.
- Banker Cave - Unincorporated place in Shannon Co.
- Banner - Unincorporated place in Iron Co.
- Bardley - Unincorporated place in Ripley Co.
- Bark Camp - Historical place in Dunklin Co.
- Barks - Historical place in Perry Co.
- Barlow - Historical place in Wayne Co.
- Barnes Ridge - Historical place in New Madrid Co.
- Barnhart - Unincorporated place in Jefferson Co.
- Barren - Historical place in Carter Co.
- Barrett Switch - Historical place in Wayne Co.
- Barretts - Unincorporated place in St. Louis Co.
- Barrettville - Historical place in Cape Girardeau Co.
- Barroll - Historical place in Cape Girardeau Co.
- Barron - Unincorporated place in Butler Co.
- Bartlett - Unincorporated place in Shannon Co.
- Baryties - Historical place in Washington Co.
- Bates Creek Camp - Unincorporated place in Washington Co.
- Batesville - Unincorporated place in Butler Co.
- Baxter - Historical place in New Madrid Co.
- Bay - Unincorporated place in Gasconade Co.
- Bay Springs - Historical place in Reynolds Co.
- Bayouville - Unincorporated place in New Madrid Co.
- Beal - Unincorporated place in Shannon Co.
- Beattietown - Historical place in Stoddard Co.
- Beaufort - Unincorporated place in Franklin Co.
- Beaverdam - Historical place in Ripley Co.
- Beaverdam - Historical place in Scott Co.
- Beck - Now a part of Arnold
- Beckville - Unincorporated place in Wayne Co.
- Beckwith - Historical place in Mississippi Co.
- Bedwell - Historical place in Reynolds Co.
- Bee - Historical place in Cape Girardeau Co.
- Bee Fork - Historical place in Reynolds Co.
- Beechwald - Historical place in Cape Girardeau Co.
- Beemont - Unincorporated place in Franklin Co.
- Bel-Nor - Village in St. Louis Co. (pop. 1,598)
- Bel-Ridge - Village in St. Louis Co. (pop. 3,082)
- Belcher - Historical place in Butler Co.
- Belew Creek - Unincorporated place in Jefferson Co.
- Belgique - Unincorporated place in Perry Co.
- Belgrade - Unincorporated place in Washington Co.
- Bell City - Fourth-class city in Stoddard Co. (pop. 461)
- Bella Villa - Fourth-class city in St. Louis Co. (pop. 687)
- Bellefontaine - Unincorporated place in St. Louis Co.
- Bellefontaine - Unincorporated place in Washington Co.
- Bellefontaine Neighbors - Fourth-class city in St. Louis Co. (pop. 11,271)
- Bellerive - Village in St. Louis Co. (pop. 254)
- Belleview - Unincorporated place in Iron Co.
- Belmont - Historical place in Mississippi Co.
- Bem - Unincorporated place in Gasconade Co.
- Benbush - Unincorporated place in St. Louis Co.
- Bendavis - Unincorporated place in Texas Co.
- Bennett - Unincorporated place in Ripley Co.
- Benson - Historical place in Iron Co.
- Benson Tourist City - Historical place in Franklin Co.
- Benton - Fourth-class city in Scott Co. (pop. 732)
- Berdell Hills - Unincorporated place in St. Louis Co.
- Berger - Fourth-class city in Franklin Co. (pop. 206)
- Berkeley - Home rule city in St. Louis Co. (pop. 10,063)
- Bernie - Fourth-class city in Stoddard Co. (pop. 1,777)
- Berryman - Historical place in Iron Co.
- Berryman - Unincorporated place in Crawford Co.
- Berthold - Historical place in Ripley Co.
- Bertrand - Fourth-class city in Mississippi Co. (pop. 740)
- Bessville - Unincorporated place in Bollinger Co.
- Bethany - Unincorporated place in Dunklin Co.
- Beulah - Unincorporated place in Madison Co.
- Beulah - Unincorporated place in Phelps Co.
- Beverly Hills - Fourth-class city in St. Louis Co. (pop. 603)
- Biehle - Unincorporated place in Perry Co.
- Big Creek - Unincorporated place in Texas Co.
- Big Ridge - Unincorporated place in New Madrid Co.
- Big River Mills - Historical place in St. Francois Co.
- Big Rock - Historical place in Wayne Co.
- Billmore - Unincorporated place in Oregon Co.
- Birch Tree - Fourth-class city in Shannon Co. (pop. 634)
- Birds Corner - Unincorporated place in Stoddard Co.
- Birds Nest - Unincorporated place in Crawford Co.
- Birds Point - Historical place in Mississippi Co.
- Birdsville - Historical place in Mississippi Co.
- Birmingham - Historical place in Perry Co.
- Bishop Landing - Historical place in Perry Co.
- Bismarck - Fourth-class city in St. Francois Co. (pop. 1,470)
- Bixby - Unincorporated place in Iron Co.
- Black - Unincorporated place in Reynolds Co.
- Black Jack - Third-class city in St. Louis Co. (pop. 6,792)
- Blackburn - Historical place in Stoddard Co.
- Blackwell - Unincorporated place in St. Francois Co.
- Blairsville - Historical place in St. Francois Co.
- Bland - Fourth-class city in Gasconade Co. (pop. 565)
- Blazer - Historical place in Pemiscot Co.
- Bleda - Historical place in Scott Co.
- Bliss - Unincorporated place in Washington Co.
- Blodgett - Village in Scott Co. (pop. 265)
- Blomeyer - Unincorporated place in Cape Girardeau Co.
- Bloomfield - Fourth-class city in Stoddard Co. (pop. 1,952)
- Blooming Rose - Unincorporated place in Phelps Co.
- Bloomsdale - Fourth-class city in Ste. Genevieve Co. (pop. 419)
- Blue Springs - Unincorporated place in Shannon Co.
- Bluff - Historical place in Stoddard Co.
- Blum - Historical place in Wayne Co.
- Blush - Historical place in Madison Co.
- Bly - Unincorporated place in Howell Co.
- Bobtail - Historical place in New Madrid Co.
- Boekerton - Unincorporated place in New Madrid Co.
- Bois Brule - Historical place in Perry Co.
- Boles - Unincorporated place in Franklin Co.
- Bolivia - Historical place in Ste. Genevieve Co.
- Bollinger County - Third-class county within Missouri (pop. 12,029)
- Bollinger Mill - Historical place in Bollinger Co.
- Bonfils - Unincorporated place in St. Louis Co.
- Bonne Terre - Third-class city in St. Francois Co. (pop. 4,039)
- Boone - Historical place in Stoddard Co.
- Boone - Historical place in Franklin Co.
- Booser - Historical place in Butler Co.
- Borth - Historical place in Ripley Co.
- Boscobel - Unincorporated place in Dent Co.
- Boss - Unincorporated place in Dent Co.
- Bounds - Unincorporated place in Wayne Co.
- Bourbon - Fourth-class city in Crawford Co. (pop. 1,348)
- Bowers - Historical place in Reynolds Co.
- Bowie Corner - Unincorporated place in Dunklin Co.
- Bowling - Historical place in Ste. Genevieve Co.
- Bowman - Historical place in Cape Girardeau Co.
- Bowman - Historical place in New Madrid Co.
- Box - Historical place in Ripley Co.
- Boyd - Historical place in Crawford Co.
- Boyers - Historical place in Cape Girardeau Co.
- Boze Mill - Unincorporated place in Oregon Co.
- Bradhams - Historical place in Stoddard Co.
- Brady - Historical place in Oregon Co.
- Bradyville - Historical place in Stoddard Co.
- Bragg City - Fourth-class city in Pemiscot Co. (pop. 189)
- Braggadocio - Unincorporated place in Pemiscot Co.
- Brame - Historical place in Carter Co.
- Brandsville - Fourth-class city in Howell Co. (pop. 174)
- Branums Point - Historical place in Dunklin Co.
- Braswell - Historical place in Oregon Co.
- Brazeau - Unincorporated place in Perry Co.
- Brazil - Unincorporated place in Washington Co.
- Breckenridge Hills - Third-class city in St. Louis Co. (pop. 4,817)
- Brent - Historical place in Pemiscot Co.
- Brentwood - Fourth-class city in St. Louis Co. (pop. 7,693)
- Brewer - Unincorporated place in Perry Co.
- Brian - Unincorporated place in Dunklin Co.
- Briar - Unincorporated place in Ripley Co.
- Brickeys - Unincorporated place in Ste. Genevieve Co.
- Bridgeton - Home rule city in St. Louis Co. (pop. 15,550)
- Bridgeton Terrace - Unincorporated place in St. Louis Co.
- Brinkerhoff - Historical place in Pemiscot Co.
- Brinkerhoff Spur - Historical place in Ripley Co.
- Broadwater - Unincorporated place in New Madrid Co.
- Brooks Junction - Unincorporated place in Scott Co.
- Brookside - Unincorporated place in Cape Girardeau Co.
- Broseley - Unincorporated place in Butler Co.
- Brown Shanty - Unincorporated place in Gasconade Co.
- Browns - Unincorporated place in Scott Co.
- Browns Crossing - Historical place in Wayne Co.
- Brownwood - Unincorporated place in Stoddard Co.
- Brunot - Unincorporated place in Wayne Co.
- Brush Arbor - Unincorporated place in Butler Co.
- Brushy - Historical place in Shannon Co.
- Buchanan - Unincorporated place in Bollinger Co.
- Buck Donic - Unincorporated place in Dunklin Co.
- Buckeye - Historical place in Mississippi Co.
- Buckeye City - Historical place in Shannon Co.
- Buckhart Springs - Historical place in Shannon Co.
- Buckhorn - Unincorporated place in Madison Co.
- Bucoda - Unincorporated place in Dunklin Co.
- Bucyrus - Unincorporated place in Texas Co.
- Budapest - Historical place in Ripley Co.
- Buffington - Unincorporated place in Stoddard Co.
- Buffords - Historical place in Reynolds Co.
- Buick - Unincorporated place in Iron Co.
- Bunker - Fourth-class city in Reynolds Co. (pop. 427)
- Bunker Hill - Historical place in Stoddard Co.
- Burbank - Unincorporated place in Wayne Co.
- Burch - Unincorporated place in Wayne Co.
- Burfordville - Unincorporated place in Cape Girardeau Co.
- Burg - Historical place in Bollinger Co.
- Burgess - Historical place in Pemiscot Co.
- Burgundy - Historical place in Iron Co.
- Burnham - Unincorporated place in Howell Co.
- Burr - Historical place in Ripley Co.
- Bushburg - Unincorporated place in Jefferson Co.
- Butler - Historical place in Scott Co.
- Butler County - Third-class county within Missouri (pop. 40,867)
- Butts - Unincorporated place in Crawford Co.
- Buzzard Hill - Historical place in Reynolds Co.
- Byers - Unincorporated place in Jefferson Co.
- Byrds Settlement - Historical place in Cape Girardeau Co.
- Byrnes Mill - Fourth-class city in Jefferson Co. (pop. 2,376)
- Byrnesville - Unincorporated place in Jefferson Co.
- C -
- Cable - Historical place in Reynolds Co.
- Cabool - Fourth-class city in Texas Co. (pop. 2,168)
- Cadet - Unincorporated place in Washington Co.
- Caledonia - Village in Washington Co. (pop. 158)
- Caligoa - Unincorporated place in Dunklin Co.
- Calm - Unincorporated place in Oregon Co.
- Calverton Park - Village in St. Louis Co. (pop. 1,322)
- Calvey - Historical place in Franklin Co.
- Calvin Spur - Historical place in Butler Co.
- Camp Lakewood - Unincorporated place in Washington Co.
- Campbell - Fourth-class city in Dunklin Co. (pop. 1,883)
- Campbellton - Unincorporated place in Franklin Co.
- Canaan - Unincorporated place in Gasconade Co.
- Canady Switch - Historical place in Pemiscot Co.
- Canal - Historical place in Crawford Co.
- Canalou - Fourth-class city in New Madrid Co. (pop. 348)
- Cane Creek - Historical place in Butler Co.
- Caney Creek - Unincorporated place in Scott Co.
- Cannon Mines - Unincorporated place in Washington Co.
- Cantwell - Now a part of Desloge
- Cape Girardeau - Home rule city in Cape Girardeau Co. (pop. 35,349)
- Cape Girardeau County - First-class county within Missouri (pop. 68,693)
- Cape La Cruz - Historical place in Cape Girardeau Co.
- Cape Rock Village - Unincorporated place in Cape Girardeau Co.
- Capedeau Junction - Unincorporated place in Scott Co.
- Cardinal Acres - Unincorporated place in Texas Co.
- Cardwell - Fourth-class city in Dunklin Co. (pop. 789)
- Carie - Historical place in Ripley Co.
- Carleton - Historical place in Pemiscot Co.
- Carola - Unincorporated place in Butler Co.
- Carson - Unincorporated place in Howell Co.
- Carter County - Third-class county within Missouri (pop. 5,941)
- Carters - Historical place in Wayne Co.
- Carters Spur - Historical place in Wayne Co.
- Caruth - Unincorporated place in Dunklin Co.
- Caruthersville - Third-class city in Pemiscot Co. (pop. 6,760)
- Cascade - Unincorporated place in Wayne Co.
- Casebolt - Historical place in Iron Co.
- Caseyville - Unincorporated place in Franklin Co.
- Castlewood - Unincorporated place in St. Louis Co.
- Castor - Historical place in Bollinger Co.
- Castor Bridge - Historical place in Bollinger Co.
- Castor Station - Historical place in Madison Co.
- Castor Station - Historical place in Bollinger Co.
- Catalpa - Historical place in Mississippi Co.
- Catawissa - Unincorporated place in Franklin Co.
- Cates - Historical place in Carter Co.
- Catherine Place - Unincorporated place in Madison Co.
- Catron - Fourth-class city in New Madrid Co. (pop. 68)
- Caulfield - Unincorporated place in Howell Co.
- Cave Hill - Historical place in Gasconade Co.
- Cedar Bluff - Unincorporated place in St. Louis Co.
- Cedar Bluff - Unincorporated place in Texas Co.
- Cedar Cliffs - Historical place in Cape Girardeau Co.
- Cedar Fork - Historical place in Franklin Co.
- Cedar Hill - Unincorporated place in Jefferson Co.
- Cedar Hill Lakes - Village in Jefferson Co. (pop. 229)
- Cedar Valley - Unincorporated place in Butler Co.
- Cedargrove - Unincorporated place in Shannon Co.
- Celynda - Historical place in Ripley Co.
- Centaur - Unincorporated place in St. Louis Co.
- Center Post - Unincorporated place in Crawford Co.
- Centerville - Fourth-class city in Reynolds Co. (pop. 171)
- Central - Historical place in Madison Co.
- Chaffee - Third-class city in Scott Co. (pop. 3,044)
- Champ - Village in St. Louis Co. (pop. 12)
- Champion - Historical place in New Madrid Co.
- Champion City - Unincorporated place in Franklin Co.
- Channel - Unincorporated place in Pemiscot Co.
- Chaonia - Historical place in Wayne Co.
- Chaonia Village - Unincorporated place in Wayne Co.
- Chapel - Unincorporated place in Howell Co.
- Chapin - Unincorporated place in Howell Co.
- Charlack - Fourth-class city in St. Louis Co. (pop. 1,431)
- Charleston - Third-class city in Mississippi Co. (pop. 4,732)
- Charlotte - Historical place in Gasconade Co.
- Charter Oak - Unincorporated place in Stoddard Co.
- Cherokee Pass - Unincorporated place in Madison Co.
- Cherry Valley - Unincorporated place in Crawford Co.
- Cherry Valley Junction - Historical place in Crawford Co.
- Cherryville - Unincorporated place in Crawford Co.
- Chesterfield - Third-class city in St. Louis Co. (pop. 46,802)
- Chestnut - Historical place in Texas Co.
- Chestnut Ridge - Historical place in Ste. Genevieve Co.
- Chicopee - Unincorporated place in Van Buren
- Chilton - Unincorporated place in Carter Co.
- Chilton - Historical place in Wayne Co.
- China - Unincorporated place in Howell Co.
- Chitwood - Historical place in Reynolds Co.
- Chloride - Unincorporated place in Iron Co.
- Choat - Historical place in Bollinger Co.
- Choctaw - Historical place in Pemiscot Co.
- Christy - Historical place in Stoddard Co.
- Christy - Unincorporated place in Howell Co.
- Circle City - Unincorporated place in Stoddard Co.
- Circleville - Historical place in Cape Girardeau Co.
- Clara - Unincorporated place in Texas Co.
- Clardy - Historical place in St. Francois Co.
- Clardy - Historical place in Ste. Genevieve Co.
- Clarkson Valley - Fourth-class city in St. Louis Co. (pop. 2,675)
- Clarkton - Fourth-class city in Dunklin Co. (pop. 1,330)
- Claryville - Unincorporated place in Perry Co.
- Claud - Historical place in Stoddard Co.
- Clayton - Home rule city in St. Louis Co. (pop. 12,825)
- Clear Creek - Historical place in Washington Co.
- Clear Spring - Historical place in Carter Co.
- Clear Springs - Unincorporated place in Texas Co.
- Clearwater - Unincorporated place in Ste. Genevieve Co.
- Clearwater - Historical place in Wayne Co.
- Cleavesville - Unincorporated place in Gasconade Co.
- Clement - Unincorporated place in Ste. Genevieve Co.
- Clementine - Unincorporated place in Phelps Co.
- Cliff - Historical place in Cape Girardeau Co.
- Cliff - Historical place in Ste. Genevieve Co.
- Cliff Cave - Unincorporated place in St. Louis Co.
- Clifton - Unincorporated place in Oregon Co.
- Clines Island - Unincorporated place in Stoddard Co.
- Clinton - Unincorporated place in Phelps Co.
- Clippard - Historical place in Bollinger Co.
- Clones - Historical place in Reynolds Co.
- Clover Bottom - Unincorporated place in Franklin Co.
- Club House - Historical place in Carter Co.
- Clubb - Unincorporated place in Wayne Co.
- Cobalt City - Village in Madison Co. (pop. 189)
- Cobb - Unincorporated place in Stoddard Co.
- Cockrum - Historical place in Dunklin Co.
- Coffeyton - Unincorporated place in Crawford Co.
- Coffman - Unincorporated place in Ste. Genevieve Co.
- Coin - Unincorporated place in Oregon Co.
- Coldwater - Unincorporated place in Wayne Co.
- Colemanville - Historical place in Carter Co.
- Coles Landing - Historical place in Jefferson Co.
- Collins Store - Historical place in Butler Co.
- Columbia Junction - Historical place in St. Francois Co.
- Commerce - Fourth-class city in Scott Co. (pop. 110)
- Como - Unincorporated place in New Madrid Co.
- Concord - Historical place in Pemiscot Co.
- Concord - Unincorporated place in St. Louis Co.
- Condray - Unincorporated place in Dent Co.
- Congo - Unincorporated place in Shannon Co.
- Conrads Mill - Historical place in Cape Girardeau Co.
- Conran - Unincorporated place in New Madrid Co.
- Cook Station - Unincorporated place in Crawford Co.
- Cooks Farm - Historical place in Dunklin Co.
- Cooksey - Unincorporated place in Dent Co.
- Cool Springs - Historical place in Wayne Co.
- Cool Valley - Fourth-class city in St. Louis Co. (pop. 1,081)
- Cooter - Fourth-class city in Pemiscot Co. (pop. 440)
- Copper Mine - Historical place in Ste. Genevieve Co.
- Copper Mines - Historical place in Carter Co.
- Corners - Historical place in Perry Co.
- Cornertown - Unincorporated place in Howell Co.
- Cornwall - Unincorporated place in Madison Co.
- Corona - Unincorporated place in Oregon Co.
- Corridon - Unincorporated place in Reynolds Co.
- Cottage Farm - Unincorporated place in Jefferson Co.
- Cottbus - Unincorporated place in Howell Co.
- Cotton Plant - Unincorporated place in Dunklin Co.
- Cottonville - Historical place in Reynolds Co.
- Cottonwood Point - Unincorporated place in Pemiscot Co.
- Couch - Unincorporated place in Oregon Co.
- Coulstone - Unincorporated place in Dent Co.
- Coulter - Historical place in Mississippi Co.
- Country Club Hills - Fourth-class city in St. Louis Co. (pop. 1,381)
- Country Life Acres - Village in St. Louis Co. (pop. 81)
- Courtois - Unincorporated place in Washington Co.
- Covington - Unincorporated place in Pemiscot Co.
- Craddock - Unincorporated place in Phelps Co.
- Crane Pond - Historical place in Iron Co.
- Crawford - Historical place in Scott Co.
- Crawford County - Third-class county within Missouri (pop. 22,804)
- Crawford Landing - Historical place in Cape Girardeau Co.
- Creek Nation - Unincorporated place in Madison Co.
- Crenshaw - Historical place in Mississippi Co.
- Crescent - Unincorporated place in St. Louis Co.
- Crestwood - Home rule city in St. Louis Co. (pop. 11,863)
- Creve Coeur - Home rule city in St. Louis Co. (pop. 16,500)
- Crider - Unincorporated place in Howell Co.
- Crites - Historical place in Carter Co.
- Crites Corner - Unincorporated place in Carter Co.
- Critesville - Historical place in Cape Girardeau Co.
- Crosno - Unincorporated place in Mississippi Co.
- Cross Keys - Unincorporated place in St. Louis Co.
- Cross Roads - Historical place in St. Francois Co.
- Crossroads - Unincorporated place in Crawford Co.
- Crossroads - Historical place in Stoddard Co.
- Crosstown - Unincorporated place in Perry Co.
- Crowder - Unincorporated place in Scott Co.
- Cruise Mill - Unincorporated place in Washington Co.
- Crump - Unincorporated place in Cape Girardeau Co.
- Crystal City - Third-class city in Jefferson Co. (pop. 4,247)
- Crystal Lake Park - Fourth-class city in St. Louis Co. (pop. 457)
- Cuba - Fourth-class city in Crawford Co. (pop. 3,230)
- Cull - Unincorporated place in Howell Co.
- Cummings - Historical place in Carter Co.
- Cunningham - Historical place in Pemiscot Co.
- Curdton - Unincorporated place in Stoddard Co.
- Cureall - Unincorporated place in Howell Co.
- Current View - Unincorporated place in Ripley Co.
- Custer - Unincorporated place in Dent Co.
- Cynthia - Historical place in Reynolds Co.
- Cypress - Historical place in Scott Co.
- Czar - Unincorporated place in Crawford Co.
- D -
- Dagonia - Historical place in Reynolds Co.
- Dairyville - Historical place in Reynolds Co.
- Daisy - Unincorporated place in Cape Girardeau Co.
- Dale - Historical place in Stoddard Co.
- Daley - Historical place in Reynolds Co.
- Damon - Historical place in Wayne Co.
- Danby - Unincorporated place in Jefferson Co.
- Darien - Unincorporated place in Dent Co.
- Date - Historical place in Texas Co.
- Davis - Unincorporated place in St. Francois Co.
- Davisville - Unincorporated place in Crawford Co.
- Day - Historical place in Stoddard Co.
- Daytown - Unincorporated place in St. Francois Co.
- De Camp - Historical place in Phelps Co.
- De Lassus - Unincorporated place in St. Francois Co.
- De Lisle - Historical place in Pemiscot Co.
- De Soto - City in Jefferson Co. (pop. 6,375)
- Decatur - Neighborhood within Cape Girardeau
- Deckard-Y - Unincorporated place in Oregon Co.
- Deco - Historical place in Pemiscot Co.
- Deer Land - Unincorporated place in Dunklin Co.
- Deering - Unincorporated place in Pemiscot Co.
- Deering Junction - Unincorporated place in Pemiscot Co.
- Dees Town - Historical place in Wayne Co.
- Defield - Historical place in Mississippi Co.
- Deguire - Historical place in Madison Co.
- Del Haf - Historical place in Oregon Co.
- Delaware - Unincorporated place in Shannon Co.
- Delbridge - Unincorporated place in Washington Co.
- Delhi - Historical place in Crawford Co.
- Dellwood - Fourth-class city in St. Louis Co. (pop. 5,255)
- Delmo - Unincorporated place in New Madrid Co.
- Delta - Fourth-class city in Cape Girardeau Co. (pop. 517)
- Demmittville - Historical place in Stoddard Co.
- Dent - Unincorporated place in Texas Co.
- Dent County - Third-class county within Missouri (pop. 14,927)
- Denton - Unincorporated place in Pemiscot Co.
- Dents Station - Historical place in St. Francois Co.
- Derby - Unincorporated place in St. Francois Co.
- Dermons Mills - Historical place in Mississippi Co.
- Des Arc - Village in Iron Co. (pop. 187)
- Des Peres - Fourth-class city in St. Louis Co. (pop. 8,592)
- Deslet - Unincorporated place in Shannon Co.
- Desloge - Fourth-class city in St. Francois Co. (pop. 4,802)
- Detmold - Unincorporated place in Franklin Co.
- Deventer - Unincorporated place in Mississippi Co.
- Dexter - Fourth-class city in Stoddard Co. (pop. 7,356)
- Dexter Junction - Historical place in Stoddard Co.
- Diehlstadt - Village in Scott Co. (pop. 163)
- Dillard - Unincorporated place in Crawford Co.
- Dillingham Spring - Historical place in New Madrid Co.
- Dillman - Unincorporated place in Dunklin Co.
- Dillon - Unincorporated place in Phelps Co.
- Dillons Mine - Historical place in Madison Co.
- Dirk - Historical place in Mississippi Co.
- Dissen - Historical place in Cape Girardeau Co.
- Dissen - Unincorporated place in Franklin Co.
- Dittmer - Unincorporated place in Jefferson Co.
- Dodds - Unincorporated place in New Madrid Co.
- Doe Run - Unincorporated place in St. Francois Co.
- Doe Run - Historical place in Reynolds Co.
- Doe Run Junction - Historical place in St. Francois Co.
- Dogwood - Unincorporated place in Mississippi Co.
- Dongola - Unincorporated place in Bollinger Co.
- Doniphan - Fourth-class city in Ripley Co. (pop. 1,932)
- Doolittle - Fourth-class city in Phelps Co. (pop. 644)
- Dorena - Unincorporated place in Mississippi Co.
- Doss - Unincorporated place in Dent Co.
- Douglas - Historical place in Pemiscot Co.
- Doyle - Historical place in Iron Co.
- Doyle - Historical place in Ripley Co.
- Drake - Unincorporated place in Gasconade Co.
- Dresden - Historical place in Perry Co.
- Drum - Unincorporated place in Bollinger Co.
- Dry Bayou Landing - Historical place in New Madrid Co.
- Dry Spring - Historical place in Ripley Co.
- Dryden - Historical place in Ripley Co.
- Dudley - Fourth-class city in Stoddard Co. (pop. 289)
- Duke - Unincorporated place in Phelps Co.
- Duncan - Historical place in Reynolds Co.
- Dundee - Unincorporated place in Franklin Co.
- Dunklin County - Third-class county within Missouri (pop. 33,155)
- Dunn - Historical place in New Madrid Co.
- Dunn - Unincorporated place in Texas Co.
- Durnell - Historical place in Stoddard Co.
- Dutchtown - Village in Cape Girardeau Co. (pop. 99)
- Dykes - Unincorporated place in Texas Co.
- E -
- Eads - Historical place in Ste. Genevieve Co.
- Eaglette - Historical place in Stoddard Co.
- Earls - Unincorporated place in Dent Co.
- Earth City - Unincorporated place in St. Louis Co.
- East Bonne Terre - Unincorporated place in St. Francois Co.
- East End - Historical place in Iron Co.
- East Lake - Historical place in New Madrid Co.
- East Prairie - Fourth-class city in Mississippi Co. (pop. 3,227)
- Eastwood - Unincorporated place in Carter Co.
- Ebo - Unincorporated place in Washington Co.
- Edanville - Unincorporated place in Texas Co.
- Edgar Springs - Fourth-class city in Phelps Co. (pop. 190)
- Edgehill - Unincorporated place in Reynolds Co.
- Edmundson - Fourth-class city in St. Louis Co. (pop. 840)
- Edwards - Historical place in Wayne Co.
- Egypt Grove - Unincorporated place in Howell Co.
- Egypt Mills - Unincorporated place in Cape Girardeau Co.
- Elayer - Unincorporated place in Crawford Co.
- Elba - Unincorporated place in Dent Co.
- Elk Creek - Unincorporated place in Texas Co.
- Elkins Landing - Historical place in Scott Co.
- Elkville - Historical place in Stoddard Co.
- Ellington - Fourth-class city in Reynolds Co. (pop. 1,045)
- Ellis Prairie - Unincorporated place in Texas Co.
- Ellisville - Charter city in St. Louis Co. (pop. 9,104)
- Ellsinore - Fourth-class city in Carter Co. (pop. 363)
- Ellsworth - Unincorporated place in Texas Co.
- Elma - Historical place in Crawford Co.
- Elmont - Unincorporated place in Franklin Co.
- Elvins - Now a part of Park Hills
- Eminence - Fourth-class city in Shannon Co. (pop. 548)
- Empire - Historical place in Butler Co.
- Engle - Historical place in Jefferson Co.
- Enough - Unincorporated place in Iron Co.
- Ernest - Historical place in Ripley Co.
- Essex - Fourth-class city in Stoddard Co. (pop. 524)
- Esther - Now a part of Park Hills
- Etlah - Unincorporated place in Franklin Co.
- Eudy - Historical place in Shannon Co.
- Eunice - Unincorporated place in Texas Co.
- Eureka - Fourth-class city in St. Louis Co. (pop. 7,676)
- Eureka - Historical place in Perry Co.
- Europa - Unincorporated place in Dunklin Co.
- Evening Shade - Unincorporated place in Texas Co.
- Evens - Historical place in Carter Co.
- Ewells - Historical place in Pemiscot Co.
- Exchange - Historical place in Stoddard Co.
- Exchange - Unincorporated place in Reynolds Co.
- Ezell - Historical place in Stoddard Co.
- Ezra - Historical place in Bollinger Co.
- F -
- Fagus - Unincorporated place in Butler Co.
- Fairbanks - Historical place in Pemiscot Co.
- Fairdealing - Unincorporated place in Ripley Co.
- Fairview - Historical place in Texas Co.
- Fairview Acres - Now a part of Park Hills
- Falk Mill - Historical place in Dent Co.
- Fanchon - Unincorporated place in Howell Co.
- Fanning - Unincorporated place in Crawford Co.
- Farewell - Unincorporated place in Oregon Co.
- Faris - Historical place in Pemiscot Co.
- Farmington - Third-class city in St. Francois Co. (pop. 13,924)
- Faro - Historical place in Madison Co.
- Farrar - Unincorporated place in Perry Co.
- Farrenburg - Unincorporated place in New Madrid Co.
- Farris - Historical place in Reynolds Co.
- Faulkner - Historical place in Crawford Co.
- Faust - Historical place in Pemiscot Co.
- Fawn - Unincorporated place in Dent Co.
- Federal - Now a part of Park Hills
- Fenton - Fourth-class city in St. Louis Co. (pop. 4,360)
- Ferguson - Home rule city in St. Louis Co. (pop. 22,406)
- Ferguson Switch - Historical place in Butler Co.
- Fern Glen - Unincorporated place in St. Louis Co.
- Fern Nook - Historical place in Ripley Co.
- Fernridge - Unincorporated place in St. Louis Co.
- Ferrys - Historical place in Wayne Co.
- Fertile - Unincorporated place in Washington Co.
- Festus - Third-class city in Jefferson Co. (pop. 9,660)
- Fish Lake - Historical place in Mississippi Co.
- Fisher - Historical place in Pemiscot Co.
- Fisk - Fourth-class city in Butler Co. (pop. 363)
- Fitz - Historical place in Reynolds Co.
- Five Point - Historical place in New Madrid Co.
- Flag Spring - Unincorporated place in Phelps Co.
- Flamm City - Now a part of Arnold
- Flat - Unincorporated place in Phelps Co.
- Flat River - Now a part of Park Hills
- Flatwood - Unincorporated place in Shannon Co.
- Flatwoods - Unincorporated place in Ripley Co.
- Fletcher - Unincorporated place in Jefferson Co.
- Flip - Historical place in Shannon Co.
- Flordell Hills - Fourth-class city in St. Louis Co. (pop. 931)
- Florissant - Home rule city in St. Louis Co. (pop. 50,497)
- Floyd - Historical place in Washington Co.
- Flucom - Unincorporated place in Jefferson Co.
- Foleys - Historical place in Stoddard Co.
- Foote - Historical place in Iron Co.
- Forest Spur - Historical place in New Madrid Co.
- Fornfelt - Now a part of Scott City
- Fort Bellefontaine - Unincorporated place in St. Louis Co.
- Fountain Farm - Unincorporated place in Washington Co.
- Four Points - Unincorporated place in Crawford Co.
- Fourche a Renault - Historical place in Washington Co.
- Fourmile Corner - Unincorporated place in Franklin Co.
- Fowler - Unincorporated place in Texas Co.
- Fox Creek - Unincorporated place in St. Louis Co.
- Fox Springs - Unincorporated place in Crawford Co.
- Frailie - Unincorporated place in New Madrid Co.
- Frankclay - Unincorporated place in St. Francois Co.
- Franklin County - First-class county within Missouri (pop. 93,807)
- Frankville - Unincorporated place in Howell Co.
- Fray - Historical place in Franklin Co.
- Fredericksburg - Unincorporated place in Gasconade Co.
- Fredericktown - Fourth-class city in Madison Co. (pop. 3,928)
- Fredie - Historical place in Butler Co.
- Fredonia - Historical place in St. Francois Co.
- Freeland - Historical place in Carter Co.
- Freeman - Historical place in Reynolds Co.
- Fremont - Unincorporated place in Carter Co.
- French Mills - Unincorporated place in Madison Co.
- French Town - Historical place in Washington Co.
- French Village - Unincorporated place in St. Francois Co.
- Friedenberg - Unincorporated place in Perry Co.
- Friedheim - Unincorporated place in Cape Girardeau Co.
- Friedheim Station - Historical place in Cape Girardeau Co.
- Friendly Valley - Historical place in Perry Co.
- Frisbee - Unincorporated place in Dunklin Co.
- Frisco - Historical place in Stoddard Co.
- Froemsdorf - Historical place in Scott Co.
- Frohna - Fourth-class city in Perry Co. (pop. 192)
- Frontenac - Fourth-class city in St. Louis Co. (pop. 3,483)
- Fruit City - Historical place in Reynolds Co.
- Fruitland - Unincorporated place in Cape Girardeau Co.
- Fruitville - Unincorporated place in Howell Co.
- Frumet - Unincorporated place in Jefferson Co.
- Fugate - Historical place in Ripley Co.
- Fuget - Historical place in Mississippi Co.
- G -
- Gads Hill - Unincorporated place in Wayne Co.
- Gaines Switch - Historical place in Butler Co.
- Gamburg - Historical place in Ripley Co.
- Game - Historical place in Pemiscot Co.
- Gang - Historical place in Shannon Co.
- Garfield - Unincorporated place in Oregon Co.
- Garver - Historical place in New Madrid Co.
- Garwood - Unincorporated place in Reynolds Co.
- Gasconade - Fourth-class city in Gasconade Co. (pop. 267)
- Gasconade County - Third-class county within Missouri (pop. 15,342)
- Gatewood - Unincorporated place in Ripley Co.
- Gaylor - Historical place in Wayne Co.
- Gayoso - Historical place in Pemiscot Co.
- Geneva - Unincorporated place in Dunklin Co.
- George - Historical place in Franklin Co.
- Gerald - Fourth-class city in Franklin Co. (pop. 1,171)
- Gerkin - Historical place in New Madrid Co.
- German Settlement - Historical place in Cape Girardeau Co.
- Gheen - Historical place in Butler Co.
- Ghermanville - Historical place in Iron Co.
- Giboney - Unincorporated place in Perry Co.
- Gibson - Historical place in Dunklin Co.
- Gibson - Unincorporated place in Pemiscot Co.
- Gideon - Fourth-class city in New Madrid Co. (pop. 1,113)
- Gila - Unincorporated place in Dent Co.
- Gilbert - Unincorporated place in Dunklin Co.
- Gildehouse - Unincorporated place in Franklin Co.
- Gill - Unincorporated place in Pemiscot Co.
- Gipsy - Unincorporated place in Bollinger Co.
- Givens - Historical place in Stoddard Co.
- Gladden - Unincorporated place in Dent Co.
- Glasgow Village - Unincorporated place in St. Louis Co.
- Glen Echo Park - Village in St. Louis Co. (pop. 166)
- Glen Park - Unincorporated place in Jefferson Co.
- Glenallen - Village in Bollinger Co. (pop. 145)
- Glencoe - Unincorporated place in St. Louis Co.
- Glendale - Historical place in New Madrid Co.
- Glendale - Historical place in Reynolds Co.
- Glendale - Fourth-class city in St. Louis Co. (pop. 5,767)
- Glenn - Historical place in Ripley Co.
- Glennon - Unincorporated place in Bollinger Co.
- Glennonville - Unincorporated place in Dunklin Co.
- Globe - Unincorporated place in Howell Co.
- Glover - Unincorporated place in Iron Co.
- Gobler - Unincorporated place in Pemiscot Co.
- Godair - Historical place in Pemiscot Co.
- Goldman - Unincorporated place in Jefferson Co.
- Goltra - Unincorporated place in Crawford Co.
- Good Water - Unincorporated place in Iron Co.
- Goodfellow - Historical place in St. Francois Co.
- Goodfellow Terrace - Unincorporated place in St. Louis Co.
- Goodland - Unincorporated place in Iron Co.
- Gordonton - Historical place in Madison Co.
- Gordonville - Village in Cape Girardeau Co. (pop. 425)
- Grady - Historical place in Reynolds Co.
- Grand Eddy - Historical place in Perry Co.
- Grandin - Fourth-class city in Carter Co. (pop. 236)
- Grandin Junction - Historical place in Carter Co.
- Grange Valley - Historical place in Shannon Co.
- Grangeville - Historical place in Wayne Co.
- Graniteville - Unincorporated place in Iron Co.
- Grants Hill - Historical place in Ste. Genevieve Co.
- Grantwood - Village in St. Louis Co. (pop. 883)
- Graphite - Historical place in Wayne Co.
- Grassy - Unincorporated place in Bollinger Co.
- Grassy Bayou - Historical place in Pemiscot Co.
- Gravel Hill - Unincorporated place in Cape Girardeau Co.
- Gravel Point - Unincorporated place in Texas Co.
- Gravelton - Unincorporated place in Wayne Co.
- Gray Summit - Unincorporated place in Franklin Co.
- Grayridge - Unincorporated place in Stoddard Co.
- Grays Point - Historical place in Scott Co.
- Greeley - Unincorporated place in Reynolds Co.
- Green Cox - Historical place in Cape Girardeau Co.
- Green Forest - Unincorporated place in Butler Co.
- Green Oaks - Unincorporated place in Stoddard Co.
- Green Park - Fourth-class city in St. Louis Co. (pop. 2,666)
- Green Town - Unincorporated place in Oregon Co.
- Greenbrier - Unincorporated place in Bollinger Co.
- Greendale - Fourth-class city in St. Louis Co. (pop. 722)
- Greenstreet - Unincorporated place in Franklin Co.
- Greenville - Fourth-class city in Wayne Co. (pop. 451)
- Greenwood Valley - Historical place in Wayne Co.
- Greer - Unincorporated place in Oregon Co.
- Grimmet - Unincorporated place in Howell Co.
- Grisham - Unincorporated place in Bollinger Co.
- Griswold - Unincorporated place in Oregon Co.
- Grogan - Unincorporated place in Texas Co.
- Grover - Unincorporated place in St. Louis Co.
- Grubville - Unincorporated place in Jefferson Co.
- Guam - Unincorporated place in Stoddard Co.
- Guber - Historical place in Reynolds Co.
- Guild - Unincorporated place in Texas Co.
- Guiteau - Historical place in Oregon Co.
- Gulf Junction - Historical place in Cape Girardeau Co.
- Gumbo - Unincorporated place in St. Louis Co.
- Gumbo - Unincorporated place in St. Francois Co.
- H -
- Hadley - Unincorporated place in Reynolds Co.
- Haeffner - Historical place in Shannon Co.
- Hahn - Unincorporated place in Bollinger Co.
- Hahns Mill - Historical place in Madison Co.
- Halberts - Historical place in Crawford Co.
- Halcyon - Historical place in Dent Co.
- Halifax - Unincorporated place in St. Francois Co.
- Hall - Historical place in Pemiscot Co.
- Hallett - Historical place in Mississippi Co.
- Halloran - Historical place in Butler Co.
- Hamilton Town - Historical place in St. Francois Co.
- Hamtown - Unincorporated place in Butler Co.
- Handy - Unincorporated place in Ripley Co.
- Hanley Hills - Village in St. Louis Co. (pop. 2,124)
- Hanleyville - Unincorporated place in Butler Co.
- Happy Hollow - Unincorporated place in Washington Co.
- Harbinson - Historical place in Scott Co.
- Hardage - Unincorporated place in Shannon Co.
- Hargrove - Unincorporated place in Dunklin Co.
- Harrison - Historical place in Mississippi Co.
- Harrison Mills - Historical place in Crawford Co.
- Harts Switch - Historical place in Butler Co.
- Hartshorn - Unincorporated place in Texas Co.
- Hartzell - Unincorporated place in New Madrid Co.
- Harviell - Unincorporated place in Butler Co.
- Hasty - Historical place in Dunklin Co.
- Hattie - Unincorporated place in Texas Co.
- Hayes - Historical place in Butler Co.
- Hayti - Fourth-class city in Pemiscot Co. (pop. 3,207)
- Hayti Heights - Fourth-class city in Pemiscot Co. (pop. 771)
- Hayward - Village in Pemiscot Co. (pop. 123)
- Haywood City - Village in Scott Co. (pop. 239)
- Hazel - Historical place in Stoddard Co.
- Hazel Run - Unincorporated place in St. Francois Co.
- Hazelwood - Home rule city in St. Louis Co. (pop. 26,206)
- Hazleton - Unincorporated place in Texas Co.
- Headquarters - Historical place in Stoddard Co.
- Heagy - Unincorporated place in Stoddard Co.
- Hedrick - Unincorporated place in Dent Co.
- Heitmans Mill - Historical place in Bollinger Co.
- Helvey - Historical place in Reynolds Co.
- Hematite - Unincorporated place in Jefferson Co.
- Hemenway - Historical place in Ripley Co.
- Hemker - Historical place in Franklin Co.
- Henchley - Historical place in Pemiscot Co.
- Henderson Mound - Unincorporated place in New Madrid Co.
- Hendrickson - Unincorporated place in Butler Co.
- Hensley - Historical place in Franklin Co.
- Henson - Unincorporated place in Mississippi Co.
- Herculaneum - Fourth-class city in Jefferson Co. (pop. 2,805)
- Hermann - Fourth-class city in Gasconade Co. (pop. 2,674)
- Hermondale - Unincorporated place in Pemiscot Co.
- Hickman - Unincorporated place in Stoddard Co.
- Hickory Junction - Historical place in Dunklin Co.
- Hickory Ridge - Historical place in Cape Girardeau Co.
- Hicks - Historical place in Reynolds Co.
- Hicks - Historical place in Ste. Genevieve Co.
- Hicoria Spur - Historical place in Butler Co.
- Hide Out - Historical place in Reynolds Co.
- Higdon - Unincorporated place in Madison Co.
- Higgerson - Historical place in New Madrid Co.
- High Ridge - Unincorporated place in Jefferson Co.
- Highland - Unincorporated place in Perry Co.
- Highley Heights - Unincorporated place in St. Francois Co.
- Highway - Historical place in Crawford Co.
- Hilderbrand - Unincorporated place in Cape Girardeau Co.
- Hill Top - Historical place in Carter Co.
- Hill Top - Historical place in Ripley Co.
- Hilliard - Unincorporated place in Butler Co.
- Hills Store - Unincorporated place in Stoddard Co.
- Hillsboro - Fourth-class city in Jefferson Co. (pop. 1,675)
- Hillsdale - Village in St. Louis Co. (pop. 1,477)
- Hilltop - Historical place in Scott Co.
- Himmel - Historical place in Stoddard Co.
- Himont - Unincorporated place in Shannon Co.
- Hinch - Unincorporated place in Crawford Co.
- Hine - Unincorporated place in St. Louis Co.
- Hines Landing - Historical place in Cape Girardeau Co.
- Hiram - Unincorporated place in Wayne Co.
- Hobson - Unincorporated place in Dent Co.
- Hocomo - Unincorporated place in Howell Co.
- Hodges Ferry - Historical place in Butler Co.
- Hoene Spring - Unincorporated place in Jefferson Co.
- Hofflin - Unincorporated place in Crawford Co.
- Hoffman Junction - Unincorporated place in St. Francois Co.
- Hogan - Unincorporated place in Iron Co.
- Holbert Corner - Historical place in Pemiscot Co.
- Holcomb - Fourth-class city in Dunklin Co. (pop. 696)
- Holiday Shores - Unincorporated place in Washington Co.
- Holland - Fourth-class city in Pemiscot Co. (pop. 246)
- Holliday - Historical place in Wayne Co.
- Holliday Landing - Unincorporated place in Wayne Co.
- Hollis - Unincorporated place in Oregon Co.
- Hollow - Unincorporated place in St. Louis Co.
- Hollywood - Unincorporated place in Dunklin Co.
- Holmes Place - Historical place in Dunklin Co.
- Holschen Landing - Historical place in Perry Co.
- Homeland - Unincorporated place in Howell Co.
- Homestead - Historical place in Carter Co.
- Homestown - Fourth-class city in Pemiscot Co. (pop. 181)
- Hopewell - Unincorporated place in Washington Co.
- Hopewell - Historical place in Mississippi Co.
- Horine - Unincorporated place in Jefferson Co.
- Hornersville - Fourth-class city in Dunklin Co. (pop. 686)
- Hornersville Junction - Unincorporated place in Dunklin Co.
- Horton - Unincorporated place in Howell Co.
- Houck - Historical place in Cape Girardeau Co.
- Hough - Historical place in Mississippi Co.
- House Creek - Unincorporated place in Carter Co.
- House Springs - Unincorporated place in Jefferson Co.
- Houston - Fourth-class city in Texas Co. (pop. 1,992)
- Howardville - Fourth-class city in New Madrid Co. (pop. 342)
- Howe - Historical place in Jefferson Co.
- Howell County - Third-class county within Missouri
- Howes - Unincorporated place in Dent Co.
- Howes Mill - Unincorporated place in Dent Co.
- Howletts - Historical place in Mississippi Co.
- Hubbells - Unincorporated place in Butler Co.
- Hubert - Historical place in Wayne Co.
- Huckin - Historical place in Dunklin Co.
- Huddleston - Historical place in Oregon Co.
- Huff - Historical place in Franklin Co.
- Huggins - Unincorporated place in Texas Co.
- Hulsey - Historical place in Washington Co.
- Humbolt - Historical place in Reynolds Co.
- Hunt - Historical place in St. Francois Co.
- Hunter - Unincorporated place in Carter Co.
- Hunters Mill - Historical place in Washington Co.
- Hunterville - Unincorporated place in Stoddard Co.
- Huntleigh - Fourth-class city in St. Louis Co. (pop. 323)
- Hurricane - Unincorporated place in Bollinger Co.
- Hurricane Ridge - Historical place in New Madrid Co.
- Hurryville - Unincorporated place in St. Francois Co.
- Hurst - Unincorporated place in Texas Co.
- Huskey - Historical place in Bollinger Co.
- Hutton Valley - Unincorporated place in Howell Co.
- Huxie - Historical place in Bollinger Co.
- Huzzah - Unincorporated place in Crawford Co.
- Hy - Unincorporated place in Oregon Co.
- Hyman - Historical place in New Madrid Co.
- I -
- Icie - Historical place in Butler Co.
- Idalia - Unincorporated place in Stoddard Co.
- Idlewild - Unincorporated place in Stoddard Co.
- Idlewild - Unincorporated place in Crawford Co.
- Ilex - Historical place in Butler Co.
- Illmo - Now a part of Scott City
- Imhoff - Historical place in New Madrid Co.
- Imperial - Unincorporated place in Jefferson Co.
- Indian Creek - Historical place in Cape Girardeau Co.
- Indiana Spur - Historical place in Stoddard Co.
- Ingram Ridge - Historical place in Pemiscot Co.
- Ingrams Mill - Historical place in Perry Co.
- Ink - Unincorporated place in Shannon Co.
- Inlow - Historical place in Butler Co.
- Ipley - Unincorporated place in Dunklin Co.
- Irl - Historical place in Dunklin Co.
- Iron Bridge - Unincorporated place in Wayne Co.
- Iron Center - Unincorporated place in Crawford Co.
- Iron County - Third-class county within Missouri (pop. 10,697)
- Iron Mountain - Unincorporated place in St. Francois Co.
- Iron Mountain Lake - Fourth-class city in St. Francois Co. (pop. 693)
- Irondale - Fourth-class city in Washington Co. (pop. 437)
- Ironton - Fourth-class city in Iron Co. (pop. 1,471)
- Ishmael - Historical place in Washington Co.
- Ithaca - Historical place in Stoddard Co.
- Ives - Historical place in Stoddard Co.
- Ivory - Unincorporated place in St. Louis Co.
- Ivy - Historical place in Wayne Co.
- J -
- Jack - Unincorporated place in Dent Co.
- Jackson - Fourth-class city in Cape Girardeau Co. (pop. 11,947)
- Jadwin - Unincorporated place in Dent Co.
- Jaegers Shop - Historical place in Franklin Co.
- Jake Prairie - Unincorporated place in Crawford Co.
- James Bayou - Historical place in Mississippi Co.
- Japan - Unincorporated place in Franklin Co.
- Jarvis - Unincorporated place in Jefferson Co.
- Jaydee - Historical place in St. Francois Co.
- Jaywye - Unincorporated place in New Madrid Co.
- Jedburgh - Unincorporated place in St. Louis Co.
- Jeff - Unincorporated place in Oregon Co.
- Jefferson Barracks - Unincorporated place in St. Louis Co.
- Jefferson County - First-class county within Missouri (pop. 198,099)
- Jeffriesburg - Unincorporated place in Franklin Co.
- Jennings - Third-class city in St. Louis Co. (pop. 15,469)
- Jerktail Landing - Unincorporated place in Shannon Co.
- Jerome - Unincorporated place in Phelps Co.
- Jerome - Historical place in Carter Co.
- Jewett - Unincorporated place in Madison Co.
- Jobe - Unincorporated place in Oregon Co.
- Johnson Mill - Unincorporated place in Dunklin Co.
- Jonca - Historical place in Ste. Genevieve Co.
- Jones Spur - Historical place in Scott Co.
- Jordan - Historical place in Iron Co.
- Joy - Unincorporated place in Dent Co.
- Juanita - Historical place in New Madrid Co.
- Junction City - Village in Madison Co. (pop. 319)
- Junction Ferry - Historical place in Shannon Co.
- Junland - Unincorporated place in Butler Co.
- K -
- Kaechels - Historical place in Scott Co.
- Keener Cave - Historical place in Wayne Co.
- Keeners - Unincorporated place in Butler Co.
- Kehl - Historical place in Ste. Genevieve Co.
- Keller Spur - Historical place in Cape Girardeau Co.
- Kelly Town - Neighborhood within Poplar Bluff
- Kelso - Village in Scott Co. (pop. 527)
- Kennedy - Historical place in Pemiscot Co.
- Kennett - Third-class city in Dunklin Co. (pop. 11,260)
- Kent - Historical place in Franklin Co.
- Keokuk - Historical place in Pemiscot Co.
- Kerens - Historical place in Butler Co.
- Kerrigan - Historical place in Wayne Co.
- Kewanee - Unincorporated place in New Madrid Co.
- Keyes Summit - Unincorporated place in St. Louis Co.
- Keystone - Historical place in Reynolds Co.
- Keysville - Unincorporated place in Crawford Co.
- Kiel - Unincorporated place in Franklin Co.
- Killarney Shores - Unincorporated place in Iron Co.
- Kimble - Unincorporated place in Texas Co.
- Kime - Unincorporated place in Wayne Co.
- Kimmswick - Fourth-class city in Jefferson Co. (pop. 94)
- Kinder - Unincorporated place in Stoddard Co.
- Kinderpost - Unincorporated place in Texas Co.
- Kinfolks Ridge - Unincorporated place in Pemiscot Co.
- Kingbee - Historical place in Ripley Co.
- Kingston - Historical place in Washington Co.
- Kinloch - Fourth-class city in St. Louis Co. (pop. 449)
- Kinserlow - Historical place in Texas Co.
- Kinsey - Unincorporated place in Ste. Genevieve Co.
- Kinzer - Historical place in Butler Co.
- Kirk - Unincorporated place in Dunklin Co.
- Kirkwood - Home rule city in St. Louis Co. (pop. 27,324)
- Klondike - Unincorporated place in Madison Co.
- Knauss - Historical place in St. Francois Co.
- Knob Lick - Unincorporated place in St. Francois Co.
- Knorpp - Unincorporated place in Jefferson Co.
- Koch - Historical place in St. Louis Co.
- Koen - Historical place in St. Francois Co.
- Koester - Unincorporated place in St. Francois Co.
- Kohl City - Unincorporated place in Franklin Co.
- Kohler City - Unincorporated place in Jefferson Co.
- Koller - Historical place in Shannon Co.
- Koshkonong - Fourth-class city in Oregon Co. (pop. 205)
- Krakow - Unincorporated place in Franklin Co.
- Kremlin Mill - Historical place in Butler Co.
- Krepin - Historical place in New Madrid Co.
- Kurreville - Unincorporated place in Cape Girardeau Co.
- Kyles - Historical place in Wayne Co.
- L -
- La Charbonniere - Unincorporated place in St. Louis Co.
- La Font - Historical place in New Madrid Co.
- La Forge - Unincorporated place in New Madrid Co.
- La Valle - Unincorporated place in Stoddard Co.
- Labadie - Unincorporated place in Franklin Co.
- Ladd - Unincorporated place in Texas Co.
- Ladue - Fourth-class city in St. Louis Co. (pop. 8,645)
- Laflin - Unincorporated place in Bollinger Co.
- Lake - Unincorporated place in St. Louis Co.
- Lake Blanch - Historical place in Stoddard Co.
- Lake Junction - Unincorporated place in St. Louis Co.
- Lake Spring - Unincorporated place in Dent Co.
- Lakeshire - Fourth-class city in St. Louis Co. (pop. 1,375)
- Lambert - Village in Scott Co. (pop. 49)
- Lance - Historical place in Madison Co.
- Lanton - Unincorporated place in Howell Co.
- Larimore - Unincorporated place in St. Louis Co.
- Latty - Unincorporated place in Washington Co.
- Laurel Hill - Historical place in Perry Co.
- Lawrenceton - Unincorporated place in Ste. Genevieve Co.
- Lawson - Historical place in Washington Co.
- Leach - Historical place in Carter Co.
- Leachville Junction - Unincorporated place in Dunklin Co.
- Lead Branch Junction - Unincorporated place in Crawford Co.
- Leadington - Fourth-class city in St. Francois Co. (pop. 206)
- Leadwood - Fourth-class city in St. Francois Co. (pop. 1,160)
- Leasburg - Village in Crawford Co. (pop. 323)
- Lebo - Unincorporated place in Howell Co.
- Lecoma - Unincorporated place in Dent Co.
- Lede - Historical place in Ripley Co.
- Leduc - Historical place in Gasconade Co.
- Lee - Historical place in Carter Co.
- Leemon - Unincorporated place in Cape Girardeau Co.
- Leeper - Unincorporated place in Wayne Co.
- Leimbach Landing - Historical place in Perry Co.
- Lemay - Unincorporated place in St. Louis Co.
- Lemings - Historical place in Stoddard Co.
- Lenox - Unincorporated place in Dent Co.
- Lents - Historical place in Dent Co.
- Leopold - Unincorporated place in Bollinger Co.
- Leora - Unincorporated place in Stoddard Co.
- Leota - Unincorporated place in Howell Co.
- Leslie - Village in Franklin Co. (pop. 87)
- Lesterville - Unincorporated place in Reynolds Co.
- Levy - Historical place in Washington Co.
- Libertyville - Unincorporated place in St. Francois Co.
- Licking - Fourth-class city in Texas Co. (pop. 1,471)
- Liebig - Historical place in Ripley Co.
- Lightfoot - Historical place in Shannon Co.
- Liguori - Unincorporated place in Jefferson Co.
- Lilbourn - Fourth-class city in New Madrid Co. (pop. 1,303)
- Lily Farm - Unincorporated place in Reynolds Co.
- Limberlost - Unincorporated place in Crawford Co.
- Lincoln Beach - Unincorporated place in St. Louis Co.
- Linda - Unincorporated place in New Madrid Co.
- Linstead - Historical place in Butler Co.
- Lint Dale - Historical place in Pemiscot Co.
- Lithium - Village in Perry Co. (pop. zero)
- Little Berger - Historical place in Gasconade Co.
- Little River - Historical place in New Madrid Co.
- Little Rock - Unincorporated place in Ste. Genevieve Co.
- Lixville - Unincorporated place in Bollinger Co.
- Local - Unincorporated place in Jefferson Co.
- Lockloma - Unincorporated place in Butler Co.
- Lodge - Unincorporated place in Bollinger Co.
- Lodi - Unincorporated place in Wayne Co.
- Loehr - Unincorporated place in St. Louis Co.
- Loma Linda - Unincorporated place in Butler Co.
- Lone Hill - Unincorporated place in Butler Co.
- Lone Pine - Historical place in Dunklin Co.
- Lone Rock - Historical place in Scott Co.
- Lone Star - Historical place in Reynolds Co.
- Lone Star - Unincorporated place in New Madrid Co.
- Lonedell - Unincorporated place in Franklin Co.
- Longtown - Village in Perry Co. (pop. 76)
- Lopez - Unincorporated place in St. Francois Co.
- Lorwood - Unincorporated place in New Madrid Co.
- Lost Spring - Historical place in Reynolds Co.
- Loughboro - Unincorporated place in St. Francois Co.
- Lovejoy - Historical place in Cape Girardeau Co.
- Low Wassie - Unincorporated place in Shannon Co.
- Lowell Junction - Historical place in Butler Co.
- Lowndes - Unincorporated place in Wayne Co.
- Loyd - Historical place in Bollinger Co.
- Luby - Historical place in Mississippi Co.
- Lucas Landing - Historical place in Mississippi Co.
- Ludwig - Unincorporated place in Jefferson Co.
- Luebbering - Unincorporated place in Franklin Co.
- Lula - Unincorporated place in Oregon Co.
- Lulu - Historical place in Dunklin Co.
- Lundy - Unincorporated place in Texas Co.
- Lusk - Unincorporated place in Scott Co.
- Lutesville - Now a part of Marble Hill
- Lyon - Unincorporated place in Franklin Co.
- Lyons - Historical place in Reynolds Co.
- M -
- Mackenzie - Village in St. Louis Co. (pop. 137)
- Mackeys - Historical place in Dunklin Co.
- Madison County - Third-class county within Missouri (pop. 11,800)
- Mahan - Unincorporated place in Texas Co.
- Malden - Third-class city in Dunklin Co. (pop. 4,782)
- Malone - Historical place in Texas Co.
- Manchester - Fourth-class city in St. Louis Co. (pop. 19,161)
- Manley - Historical place in Dunklin Co.
- Mann - Historical place in Iron Co.
- Manning - Historical place in Scott Co.
- Manns - Historical place in Reynolds Co.
- Many Springs - Unincorporated place in Oregon Co.
- Mapaville - Unincorporated place in Jefferson Co.
- Maples - Unincorporated place in Texas Co.
- Maplewood - Home rule city in St. Louis Co. (pop. 9,228)
- Marble Creek - Historical place in Iron Co.
- Marble Hill - Fourth-class city in Bollinger Co. (pop. 1,502)
- Marco - Unincorporated place in Stoddard Co.
- Marcoot - Unincorporated place in Reynolds Co.
- Mariesville - Historical place in Butler Co.
- Marlborough - Village in St. Louis Co. (pop. 2,235)
- Marlo - Historical place in Ste. Genevieve Co.
- Marquand - Fourth-class city in Madison Co. (pop. 251)
- Marsh Creek - Unincorporated place in Madison Co.
- Marshall - Historical place in Butler Co.
- Marston - Fourth-class city in New Madrid Co. (pop. 610)
- Martha - Historical place in Reynolds Co.
- Martin Hills - Unincorporated place in Stoddard Co.
- Mary Ridge - Unincorporated place in St. Louis Co.
- Maryden - Unincorporated place in Washington Co.
- Maryland Heights - Third-class city in St. Louis Co. (pop. 25,756)
- Mattese - Unincorporated place in St. Louis Co.
- Matthews - Fourth-class city in New Madrid Co. (pop. 605)
- Maulsby - Unincorporated place in Stoddard Co.
- Maupin - Historical place in Franklin Co.
- Mauser Mill - Unincorporated place in Shannon Co.
- Max - Unincorporated place in Dent Co.
- Maxville - Now a part of Arnold
- Maxville - Historical place in Scott Co.
- Maxwells Mill - Historical place in Iron Co.
- Mayberry - Historical place in Butler Co.
- Mayfield - Unincorporated place in Bollinger Co.
- McBride - Unincorporated place in Perry Co.
- McCarty - Unincorporated place in Pemiscot Co.
- McCormic - Unincorporated place in Jefferson Co.
- McDaniels - Historical place in Ste. Genevieve Co.
- McDoe - Historical place in Reynolds Co.
- McElroy - Historical place in Ripley Co.
- McFadden Landing - Historical place in Mississippi Co.
- McGee - Unincorporated place in Wayne Co.
- McGee P.O. - Unincorporated place in Wayne Co.
- McGuire - Unincorporated place in Dunklin Co.
- McKenzie - Historical place in Wayne Co.
- McKinneys Mill - Historical place in Ripley Co.
- McMullin - Unincorporated place in Scott Co.
- McNail - Historical place in Iron Co.
- Meacham Park - Unincorporated place in St. Louis Co.
- Meadowville - Historical place in Reynolds Co.
- Medal - Historical place in New Madrid Co.
- Medley - Historical place in Mississippi Co.
- Mehlville - Unincorporated place in St. Louis Co.
- Melby - Historical place in New Madrid Co.
- Melrose - Unincorporated place in St. Louis Co.
- Melton - Historical place in Reynolds Co.
- Melzo - Unincorporated place in Jefferson Co.
- Mendosa - Historical place in Butler Co.
- Menfro - Unincorporated place in Perry Co.
- Mengo - Historical place in Butler Co.
- Meramec Springs - Historical place in Phelps Co.
- Meramec Terrace - Historical place in Franklin Co.
- Messler - Unincorporated place in Stoddard Co.
- Micola - Unincorporated place in Pemiscot Co.
- Mid City - Historical place in Pemiscot Co.
- Midco - Historical place in Carter Co.
- Middle Brook - Unincorporated place in Iron Co.
- Midland - Historical place in Crawford Co.
- Midridge - Unincorporated place in Shannon Co.
- Midvale - Unincorporated place in Texas Co.
- Midway - Unincorporated place in Oregon Co.
- Mill - Historical place in Ste. Genevieve Co.
- Mill Creek - Historical place in Ripley Co.
- Mill Spring - Village in Wayne Co. (pop. 219)
- Millcreek - Unincorporated place in Madison Co.
- Miller - Historical place in Stoddard Co.
- Miller Landing - Historical place in Mississippi Co.
- Millers - Historical place in Ste. Genevieve Co.
- Millersville - Unincorporated place in Cape Girardeau Co.
- Millheim - Unincorporated place in Perry Co.
- Milltown - Unincorporated place in Butler Co.
- Mine La Motte - Unincorporated place in Madison Co.
- Mine La Motte Station - Historical place in Madison Co.
- Miner - Fourth-class city in Scott Co. (pop. 1,056)
- Mineral City - Unincorporated place in St. Francois Co.
- Mineral Point - Village in Washington Co. (pop. 363)
- Mineral Springs City - Unincorporated place in Texas Co.
- Mingo - Historical place in Stoddard Co.
- Minimum - Unincorporated place in Iron Co.
- Minke - Historical place in St. Louis Co.
- Minnith - Unincorporated place in Ste. Genevieve Co.
- Miramiguoa Park - Village in Franklin Co. (pop. 127)
- Missionary Acres - Unincorporated place in Wayne Co.
- Mississippi County - Third-class county within Missouri (pop. 13,427)
- Missouri City - Historical place in Stoddard Co.
- Mitch - Historical place in Oregon Co.
- Mitchell - Unincorporated place in St. Francois Co.
- Mitchell - Historical place in New Madrid Co.
- Mitchells - Historical place in Pemiscot Co.
- Mitchells Corner - Unincorporated place in Texas Co.
- Moark - Historical place in Dunklin Co.
- Moccasin Flats - Unincorporated place in Stoddard Co.
- Moccasin Springs - Historical place in Cape Girardeau Co.
- Moline Acres - Fourth-class city in St. Louis Co. (pop. 2,662)
- Monarch - Unincorporated place in St. Louis Co.
- Monday - Historical place in Franklin Co.
- Montag - Historical place in Carter Co.
- Montauk - Unincorporated place in Dent Co.
- Monterey - Unincorporated place in Reynolds Co.
- Montier - Unincorporated place in Shannon Co.
- Moody - Unincorporated place in Howell Co.
- Moore Landing - Historical place in Scott Co.
- Morehouse - Fourth-class city in New Madrid Co. (pop. 1,015)
- Morley - Fourth-class city in Scott Co. (pop. 792)
- Morocco - Historical place in Butler Co.
- Morrison - Fourth-class city in Gasconade Co. (pop. 123)
- Morschels - Unincorporated place in St. Louis Co.
- Morse Mill - Unincorporated place in Jefferson Co.
- Moselle - Unincorporated place in Franklin Co.
- Moses Store - Historical place in Reynolds Co.
- Mosher - Unincorporated place in Ste. Genevieve Co.
- Moss - Historical place in Reynolds Co.
- Mott - Unincorporated place in Howell Co.
- Mounce - Historical place in Dent Co.
- Mounds - Historical place in Pemiscot Co.
- Mount Freedom - Unincorporated place in Jefferson Co.
- Mount Hope - Unincorporated place in Franklin Co.
- Mount Sterling - Unincorporated place in Gasconade Co.
- Mountain Ridge - Unincorporated place in St. Louis Co.
- Mountain View - Fourth-class city in Howell Co. (pop. 2,430)
- Mountainville Store - Historical place in Iron Co.
- Mud Town - Unincorporated place in Washington Co.
- Mullen - Historical place in Ripley Co.
- Munger - Unincorporated place in Reynolds Co.
- Munsell - Unincorporated place in Shannon Co.
- Munsons - Unincorporated place in Jefferson Co.
- Murphy - Unincorporated place in Jefferson Co.
- Musicks Ferry - Unincorporated place in St. Louis Co.
- Myrtle - Unincorporated place in Oregon Co.
- N -
- Nagle - Unincorporated place in Texas Co.
- Nash - Unincorporated place in Cape Girardeau Co.
- Nations Mill - Historical place in Ste. Genevieve Co.
- Natural Bridge Junction - Unincorporated place in St. Louis Co.
- Naylor - Fourth-class city in Ripley Co. (pop. 610)
- Needmore - Unincorporated place in Ste. Genevieve Co.
- Neelys Landing - Unincorporated place in Cape Girardeau Co.
- Neelyville - Fourth-class city in Butler Co. (pop. 487)
- Neier - Unincorporated place in Franklin Co.
- Netherlands - Unincorporated place in Pemiscot Co.
- Never Spur - Historical place in Mississippi Co.
- New Bourbon - Historical place in Ste. Genevieve Co.
- New Bremen - Historical place in Ste. Genevieve Co.
- New Hamburg - Unincorporated place in Scott Co.
- New Haven - Fourth-class city in Franklin Co. (pop. 1,867)
- New Hope - Unincorporated place in Dent Co.
- New Liberty - Unincorporated place in Oregon Co.
- New Madrid - Fourth-class city in New Madrid Co. (pop. 3,334)
- New Madrid County - Second-class county within Missouri (pop. 19,760)
- New Offenburg - Unincorporated place in Ste. Genevieve Co.
- New Survey - Unincorporated place in Pemiscot Co.
- New Wells - Unincorporated place in Cape Girardeau Co.
- New Woollam - Unincorporated place in Gasconade Co.
- New York - Historical place in Scott Co.
- Newburg - Fourth-class city in Phelps Co. (pop. 484)
- Nile - Unincorporated place in Texas Co.
- Nirvana - Historical place in Texas Co.
- Nordlow - Historical place in New Madrid Co.
- Norfolk - Historical place in Mississippi Co.
- Norman - Historical place in Cape Girardeau Co.
- Normandy - Third-class city in St. Louis Co. (pop. 5,153)
- North Island - Historical place in Pemiscot Co.
- North Lenox - Unincorporated place in Dent Co.
- North Lilbourn - Village in New Madrid Co. (pop. 95)
- North Patton - Unincorporated place in Bollinger Co.
- North Wardell - Village in Pemiscot Co. (pop. 170)
- Northcutt - Historical place in Washington Co.
- Northwoods - Fourth-class city in St. Louis Co. (pop. 4,643)
- Northwye - Unincorporated place in Phelps Co.
- Norwood - Historical place in Carter Co.
- Norwood Court - Village in St. Louis Co. (pop. 1,061)
- Not - Unincorporated place in Shannon Co.
- Noxall - Unincorporated place in New Madrid Co.
- Number Eight - Historical place in Pemiscot Co.
- Nyssa - Historical place in Butler Co.
- O -
- O'Bryan Landing - Historical place in Mississippi Co.
- Oak Grove - Historical place in Madison Co.
- Oak Grove - Historical place in Mississippi Co.
- Oak Grove Village - Village in Franklin Co. (pop. 382)
- Oak Hill - Unincorporated place in Crawford Co.
- Oak Ridge - Village in Cape Girardeau Co. (pop. 202)
- Oak Ridge - Historical place in Pemiscot Co.
- Oakdale - Historical place in Reynolds Co.
- Oakland - Fourth-class city in St. Louis Co. (pop. 1,540)
- Oakley - Historical place in Reynolds Co.
- Oakside - Unincorporated place in Shannon Co.
- Oakvale - Unincorporated place in Jefferson Co.
- Oakville - Unincorporated place in St. Louis Co.
- Oakville - Unincorporated place in Pemiscot Co.
- Oates - Unincorporated place in Reynolds Co.
- Oby - Historical place in Crawford Co.
- Octa - Unincorporated place in Dunklin Co.
- Oermann - Unincorporated place in Jefferson Co.
- Oetters - Unincorporated place in Franklin Co.
- Ogborn - Unincorporated place in St. Francois Co.
- Ogden - Historical place in New Madrid Co.
- Oglesville - Unincorporated place in Butler Co.
- Ohlman - Historical place in Reynolds Co.
- Ojibway - Historical place in Wayne Co.
- Old Appleton - Village in Cape Girardeau Co. (pop. 82)
- Old Arab - Historical place in Wayne Co.
- Old Bland - Unincorporated place in Gasconade Co.
- Old Evening Shade - Unincorporated place in Texas Co.
- Old Greenville - Historical place in Wayne Co.
- Old Mines - Unincorporated place in Washington Co.
- Old Success - Unincorporated place in Texas Co.
- Old Town - Unincorporated place in Oregon Co.
- Old Woollam - Unincorporated place in Gasconade Co.
- Olden - Unincorporated place in Howell Co.
- Olio - Historical place in Stoddard Co.
- Olivette - Home rule city in St. Louis Co. (pop. 7,438)
- Olympian Village - Fourth-class city in Jefferson Co. (pop. 669)
- Oran - Fourth-class city in Scott Co. (pop. 1,264)
- Orchard - Historical place in Carter Co.
- Orchard Point - Historical place in Shannon Co.
- Oregon County - Third-class county within Missouri (pop. 10,344)
- Oriole - Unincorporated place in Cape Girardeau Co.
- Orrville - Unincorporated place in St. Louis Co.
- Osage Hills - Unincorporated place in St. Louis Co.
- Osborn - Unincorporated place in Butler Co.
- Oscar - Unincorporated place in Texas Co.
- Otis - Historical place in New Madrid Co.
- Ott - Unincorporated place in Howell Co.
- Otter Creek - Historical place in Wayne Co.
- Otto - Unincorporated place in Jefferson Co.
- Otto Spur -