Missouri - Criteria: C (architecture/engineering)
| Bixby, Walter E., House |
| Blackwater Commercial Historic District |
| Blackwater Residential Historic District |
| Blair, Frank P., School |
| Blake, John P. and Dora, House |
| Blakey, Albert Gallatin, House |
| Blees Military Academy |
| Blenheim School |
| Blind Girls' Home |
| Blosser, Henry, House |
| BMA Tower |
| B'Nai Amoona Synogogue |
| B'nai El Temple |
| B'Nai Israel Synagogue |
| Boatman's Bank Building |
| Bockrath, Henry and Elizabeth, House |
| Bockwrath-Wiese House |
| Boeckman Bridge |
| Bolduc, Louis, House |
| Boley Building |
| Boller House |
| Bolton, Lewis and Elizabeth, House |
| Bon Air Apartments Building |
| Bond's Chapel Methodist Episcopal Church |
| Bonfils Building |
| Bonne Terre Depot |
| Bonnots Mill Historic District |
| Boone, Daniel, House |
| Boone, Nathan, House |
| Bopp, William, House |
| Bouas House |
| Brahm-Mitchellette Motor Car Company |
| Braley, Charles A., House |
| Brandon-Bell-Collier House |
| Branson City Park Historic District |
| Brehe Farmstead Historic District |
| Broadway Commercial Historic District |
| Broadway District |
| Broadway-Dunklin Historic District |
| Broadway-Middle Commercial Historic District |
| Broeker, H.P., House |
| Broeker, John H., House |
| Bronson, Dr. George Ashe, House |
| Brown, A. D., Building |
| Brown, James B., House |
| Brown, Paul, Building |
| Brown, Robert A., House |
| Brown Shoe Company's Homes-Take Factory |
| Bruce, Louis, Farmstead Historic District |
| Bryant Building |
| Bryant, Dr. John S. Jr. and Harriet Smart, House |
| Buchanan County Courthouse and Jail |
| Buchanan, Lucius P., House |
| Buck, Napoleon, House |
| Buckner House |
| Buddy, Charles A. and Annie, House |
| Buehler, William, House |
| Buford-Carty Farmstead |
| Buhr, Henry J., House |
| Building at 1009 Olive St. |
| Building at 1121-23 Locust St. |
| Building at 1300 Washington Avenue |
| Building at 3910-12 Laclede Ave. |
| Buildings at 207-209 South Main St. |
| Buildings at 2327-31 and 2333-35 Rutger Street |
| Bunker Building |
| Burch, Nelson C. and Gertrude A., House |
| Burch, Oscar G. and Mary H., House |
| Burfordville Covered Bridge |
| Burgherr's Service Station |
| Burkhardt Historic District |
| Burkholder-O'Keefe House |
| Burley, Ralph E., House |
| Burnette-Berry House |
| Burns, Caleb, House |
| Burnside-Sandusky Gothic House |
| Busch, John B., Brewery Historic District |
| Butler County Courthouse |
| Butler House |
| Byrd, Abraham, House |
| Cabins Historic District |
| Cadillac Automobile Company Building |
| Caldwell County Courthouse |
| Caldwell Farm |
| Caledonia Historic District |
| Campbell Avenue Historic District |
| Campbell Chapel African Methodist Episcopal Church |
| Campbell Commercial Historic District |
| Campbell-Continental Baking Company Building |
| Campbell, Robert G., House |
| Camp Hawthorne Central Area District |
| Camp Manor Apartments |
| Camp Pin Oak Historic District |
| Camp Shawnee Historic District |
| Camp Sherwood Forest Historic District |
| Camp Smokey/Company 1713 Historic District |
| Cape Girardeau Commercial Historic District |
| Cape Girardeau Court of Common Pleas |
| Capitol Avenue Historic District |
| Caplinger Mills Historic District |
Data from United States Park Service and Wikidata