Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Burnham Barrier | Island | 3 | District of Columbia | 38 53 45 N | 076 57 52 W |
| Burroughs Elementary School | School | 27 | District of Columbia | 38 56 00 N | 076 58 43 W |
| Burrville Elementary School | School | 29 | District of Columbia | 38 53 59 N | 076 55 27 W |
| Business and Finance Academy | School | 20 | District of Columbia | 38 53 47 N | 076 55 21 W |
| Bussard-Newman House | Building | 39 | District of Columbia | 38 54 30 N | 077 04 09 W |
| Butler House (historical) | Building | 22 | District of Columbia | 38 53 14 N | 077 00 30 W |
| Butler Instructional Center | Building | 117 | District of Columbia | 38 56 18 N | 077 05 17 W |
| Butt-Millet Memorial | Park | 8 | District of Columbia | 38 53 43 N | 077 02 14 W |
| Buzzard Point | Cape | 2 | District of Columbia | 38 51 50 N | 077 00 46 W |
| Buzzard Point | Populated Place | 9 | District of Columbia | 38 52 20 N | 077 00 39 W |
| Buzzard Point Marina | Locale | 1 | District of Columbia | 38 51 49 N | 077 00 40 W |
| C G Woodson Junior High School (historical) | School | 24 | District of Columbia | 38 53 50 N | 076 56 45 W |
| C W Harris Elementary School | School | 49 | District of Columbia | 38 53 00 N | 076 55 32 W |
| Caffreys Spring (historical) | Spring | 10 | District of Columbia | 38 53 49 N | 077 01 29 W |
| Cafritz Building | Building | 19 | District of Columbia | 38 54 05 N | 077 02 17 W |
| Cairo Apartment Building | Building | 26 | District of Columbia | 38 54 43 N | 077 02 14 W |
| Caldwell Hall | Building | 66 | District of Columbia | 38 56 09 N | 077 00 02 W |
| Caldwell House (historical) | Building | 26 | District of Columbia | 38 53 14 N | 077 00 11 W |
| Calvary Baptist Church | Church | 14 | District of Columbia | 38 53 58 N | 077 01 22 W |
| Calvary Chapel Episcopal Church | Church | 13 | District of Columbia | 38 53 55 N | 076 59 29 W |
| Calvary Gospel Church (historical) | Church | 38 | District of Columbia | 38 54 38 N | 077 03 52 W |
| Calvary Protestant Episcopal Church | Church | 11 | District of Columbia | 38 54 03 N | 076 59 56 W |
| Calvary-Casa Del Pueblo United Methodist Church | Church | 61 | District of Columbia | 38 55 38 N | 077 02 04 W |
| Calvert School (historical) | School | 20 | District of Columbia | 38 54 21 N | 077 02 16 W |
| Calvert Station Post Office | Post Office | 87 | District of Columbia | 38 55 20 N | 077 04 21 W |
| Camalier House | Building | 64 | District of Columbia | 38 56 15 N | 076 59 56 W |
| Cameron House | Building | 17 | District of Columbia | 38 53 57 N | 077 02 07 W |
| Cameron Row (historical) | Building | 9 | District of Columbia | 38 53 13 N | 077 01 35 W |
| Camp American University (historical) | Locale | 116 | District of Columbia | 38 56 08 N | 077 05 24 W |
| Camp Barker (historical) | Locale | 30 | District of Columbia | 38 54 45 N | 077 01 48 W |
| Camp Frieze (historical) | Locale | 93 | District of Columbia | 38 57 05 N | 077 05 09 W |
| Camp Fry (historical) | Locale | 18 | District of Columbia | 38 54 04 N | 077 03 01 W |
| Camp Hill | Summit | 85 | District of Columbia | 38 55 17 N | 077 04 01 W |
| Camp Leach (historical) | Locale | 120 | District of Columbia | 38 56 20 N | 077 05 11 W |
| Camp Meigs (historical) | Locale | 83 | District of Columbia | 38 52 26 N | 076 56 03 W |
| Camp Ohio (historical) | Locale | 109 | District of Columbia | 38 56 10 N | 077 04 44 W |
| Camp Simms (historical) | Military (Historical) | 48 | District of Columbia | 38 50 39 N | 076 58 52 W |
| Camp Tennally (historical) | Locale | 115 | District of Columbia | 38 57 20 N | 077 04 42 W |
| Campbell African Methodist Episcopal Church | Church | 31 | District of Columbia | 38 51 30 N | 076 59 45 W |
| Campbell Hospital (historical) | Hospital | 27 | District of Columbia | 38 54 53 N | 077 01 10 W |
| Canaan Baptist Church | Church | 61 | District of Columbia | 38 55 58 N | 077 02 13 W |
| Canadian Legation Building | Building | 22 | District of Columbia | 38 54 28 N | 077 02 19 W |
| Canal Warehouse | Building | 3 | District of Columbia | 38 54 07 N | 077 03 46 W |
| Cannon House Office Building | Building | 20 | District of Columbia | 38 53 12 N | 077 00 25 W |
| Cantilever Bridge | Bridge | 21 | District of Columbia | 38 56 43 N | 077 02 47 W |
| Capital Bicycle Club (historical) | Building | 6 | District of Columbia | 38 53 43 N | 077 02 01 W |
| Capital Childrens Museum | Building | 13 | District of Columbia | 38 54 02 N | 077 00 09 W |
| Capital Garage (historical) | Building | 15 | District of Columbia | 38 53 59 N | 077 01 48 W |
| Capital Memorial Adventist Church (historical) | Church | 12 | District of Columbia | 38 53 53 N | 077 01 10 W |
| Capital Traction Company Powerhouse (historical) | Building | 7 | District of Columbia | 38 54 10 N | 077 03 49 W |
| Capital Tradition Company Union Station (historical) | Locale | 19 | District of Columbia | 38 54 18 N | 077 04 13 W |
| Capital Yacht Club | Locale | 3 | District of Columbia | 38 52 45 N | 077 01 30 W |
| Capitol Assembly of God Church | Church | 22 | District of Columbia | 38 53 45 N | 076 59 41 W |
| Capitol Baptist Church | Church | 26 | District of Columbia | 38 53 23 N | 076 59 33 W |
| Capitol Grounds | Area | 26 | District of Columbia | 38 53 23 N | 077 00 26 W |
| Capitol Heating Plant Building | Building | 7 | District of Columbia | 38 52 57 N | 077 00 27 W |
| Capitol Hill | Populated Place | 27 | District of Columbia | 38 53 20 N | 077 00 01 W |
| Capitol Hill | Summit | 25 | District of Columbia | 38 53 22 N | 077 00 34 W |
| Capitol Hill Day School | School | 17 | District of Columbia | 38 52 56 N | 077 00 11 W |
| Capitol Hill Hospital | Hospital | 24 | District of Columbia | 38 53 32 N | 076 59 44 W |
| Capitol Hill Market (historical) | Locale | 27 | District of Columbia | 38 53 24 N | 077 00 17 W |
| Capitol Hill Metropolitan Baptist Church | Church | 27 | District of Columbia | 38 53 26 N | 076 59 56 W |
| Capitol Hill Presbyterian Church | Church | 25 | District of Columbia | 38 53 14 N | 077 00 04 W |
| Capitol Hill United Methodist Church | Church | 25 | District of Columbia | 38 53 07 N | 076 59 60 W |
| Capitol Reflecting Pool | Reservoir | 5 | District of Columbia | 38 53 23 N | 077 00 50 W |
| Capitol South Metro Station | Locale | 14 | District of Columbia | 38 53 06 N | 077 00 22 W |
| Capitol View | Populated Place | 30 | District of Columbia | 38 53 22 N | 076 55 53 W |
| Capitol View Branch Library | Building | 33 | District of Columbia | 38 53 21 N | 076 55 47 W |
| Capitol View Plaza | Park | 21 | District of Columbia | 38 53 26 N | 076 54 50 W |
| Capitol Yacht Club | Locale | 1 | District of Columbia | 38 52 48 N | 077 01 36 W |
| Capper Recreation Center | Park | 9 | District of Columbia | 38 52 41 N | 076 59 58 W |
| Captain Nathan Hale Sculpture | Park | 3 | District of Columbia | 38 53 32 N | 077 01 32 W |
| Capuchin College | School | 89 | District of Columbia | 38 56 28 N | 077 00 13 W |
| Car Barn (historical) | Building | 19 | District of Columbia | 38 54 18 N | 077 04 13 W |
| Carbery House (historical) | Building | 6 | District of Columbia | 38 53 36 N | 077 02 28 W |
| Carbery School (historical) | School | 22 | District of Columbia | 38 53 43 N | 076 59 60 W |
| Cardinal Hall | Building | 59 | District of Columbia | 38 55 55 N | 076 59 58 W |
| Cardinal James Gibbons Statue | Park | 61 | District of Columbia | 38 55 53 N | 077 02 09 W |
| Cardoza Playground | Park | 26 | District of Columbia | 38 54 42 N | 077 01 31 W |
| Cardozo Senior High School | School | 53 | District of Columbia | 38 55 18 N | 077 01 41 W |
| Carlin Hall | Building | | District of Columbia | 38 54 32 N | 076 59 28 W |
| Carlos Rosario Adult Education Center | School | 55 | District of Columbia | 38 54 55 N | 077 04 05 W |
| Carnegie Endowment for International Peace | Building | 17 | District of Columbia | 38 53 56 N | 077 02 17 W |
| Carnegie Geophysical Laboratory | Building | 55 | District of Columbia | 38 56 35 N | 077 03 16 W |
| Carnegie Institution Building | Building | 24 | District of Columbia | 38 54 33 N | 077 02 09 W |
| Carnegie Library (historical) | Building | 20 | District of Columbia | 38 54 09 N | 077 01 22 W |
| Carnegie Terrestrial Magnetism Laboratory | Building | 78 | District of Columbia | 38 57 33 N | 077 03 49 W |
| Carolina Missionary Baptist Church | Church | 58 | District of Columbia | 38 55 55 N | 077 01 34 W |
| Carp Pond (historical) | Lake | 3 | District of Columbia | 38 53 26 N | 077 02 24 W |
| Carriage House | Building | 27 | District of Columbia | 38 54 23 N | 077 03 41 W |
| Carroll Daly House | Building | 35 | District of Columbia | 38 54 27 N | 077 04 09 W |
| Carroll Prison (historical) | Building | 28 | District of Columbia | 38 53 17 N | 077 00 19 W |
| Carroll Row (historical) | Building | 28 | District of Columbia | 38 53 17 N | 077 00 15 W |
| Carroll Senior Citizens Center | Park | 5 | District of Columbia | 38 52 35 N | 077 00 01 W |
| Carrollsburg (historical) | Populated Place | 7 | District of Columbia | 38 52 32 N | 077 00 24 W |
| Carron Baptist Church | Church | 6 | District of Columbia | 38 52 25 N | 077 00 43 W |
| Carter Barron Amphitheater | Locale | 76 | District of Columbia | 38 57 01 N | 077 02 28 W |
| Carter G Woodson Home National Historic Site | Park | | District of Columbia | 38 54 39 N | 077 01 27 W |
| Carter G Woodson House | Building | 26 | District of Columbia | 38 54 39 N | 077 01 27 W |
| Cartier Plaza | Locale | 94 | District of Columbia | 38 57 34 N | 077 05 09 W |
| Carver Hospital (historical) | Hospital | 58 | District of Columbia | 38 55 33 N | 077 01 49 W |
| Carver School | School | 15 | District of Columbia | 38 54 15 N | 076 56 13 W |
| Carver Theater (historical) | Building | 13 | District of Columbia | 38 51 41 N | 076 59 38 W |
| Casanave House (historical) | Building | 9 | District of Columbia | 38 53 07 N | 077 01 52 W |
| Casimir Pulaski Building | Building | 10 | District of Columbia | 38 53 52 N | 077 00 35 W |
| Castle Gatehouse | Building | 47 | District of Columbia | 38 54 56 N | 077 05 41 W |
| Cathedral Heights | Populated Place | 87 | District of Columbia | 38 55 32 N | 077 04 39 W |
| Cathedral Mansions | Building | 72 | District of Columbia | 38 55 47 N | 077 03 22 W |
| Catholic Sisters College | School | 45 | District of Columbia | 38 56 35 N | 076 59 42 W |
| Catholic University of America | School | 64 | District of Columbia | 38 56 05 N | 076 59 57 W |