Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Catholic University Post Office | Post Office | 64 | District of Columbia | 38 56 04 N | 076 59 58 W |
| Centennial Baptist Church | Church | 12 | District of Columbia | 38 54 05 N | 076 59 46 W |
| Center for Urban Ecology | Building | 41 | District of Columbia | 38 54 33 N | 077 05 26 W |
| Center Market (historical) | Locale | 5 | District of Columbia | 38 53 37 N | 077 01 22 W |
| Central Armature Works (historical) | Locale | 9 | District of Columbia | 38 53 41 N | 077 01 15 W |
| Central Baptist Church | Church | 47 | District of Columbia | 38 52 11 N | 076 57 39 W |
| Central Guard House (historical) | Building | 4 | District of Columbia | 38 53 38 N | 077 01 30 W |
| Central Heating Plant (historical) | Building | 11 | District of Columbia | 38 53 13 N | 077 01 51 W |
| Central National Bank | Building | 5 | District of Columbia | 38 53 36 N | 077 01 14 W |
| Central Northeast | Populated Place | 38 | District of Columbia | 38 53 45 N | 076 56 29 W |
| Central Post Office | Post Office | 17 | District of Columbia | 38 54 03 N | 077 01 54 W |
| Central Presbyterian Church | Church | 62 | District of Columbia | 38 55 42 N | 077 02 09 W |
| Central Receiving | Building | | District of Columbia | 38 54 34 N | 076 59 30 W |
| Central Union Baptist Church | Church | 19 | District of Columbia | 38 53 50 N | 076 56 21 W |
| Central Union Mission (historical) | Building | 6 | District of Columbia | 38 53 38 N | 077 01 16 W |
| Centurion Statue | Park | 16 | District of Columbia | 38 53 50 N | 077 00 24 W |
| Ceres Statue | Park | 16 | District of Columbia | 38 53 49 N | 077 00 24 W |
| Cerne Abbey Manor (historical) | Civil | 2 | District of Columbia | 38 52 40 N | 077 00 44 W |
| Chain Bridge | Bridge | 6 | District of Columbia | 38 55 48 N | 077 06 52 W |
| Chamberlain Career Development Center | School | 19 | District of Columbia | 38 52 46 N | 076 59 12 W |
| Chamberlain School (historical) | School | 23 | District of Columbia | 38 54 36 N | 077 03 17 W |
| Champlain Apartment Building | Building | 19 | District of Columbia | 38 54 08 N | 077 01 58 W |
| Chancery of Iraq | Building | 26 | District of Columbia | 38 54 36 N | 077 02 30 W |
| Chapel Hall - Gallaudet University | Building | 24 | District of Columbia | 38 54 21 N | 076 59 42 W |
| Chapel of Notre Dame | Church | 56 | District of Columbia | 38 55 42 N | 077 00 15 W |
| Chapel of the Sacred Heart | Church | 42 | District of Columbia | 38 54 34 N | 077 04 12 W |
| Chapin Bear Cub Sculpture | Park | 29 | District of Columbia | 38 55 44 N | 077 02 48 W |
| Charity Baptist Church | Church | 24 | District of Columbia | 38 52 13 N | 076 58 24 W |
| Charles E and Laura E Phillips Hall | Building | | District of Columbia | 38 54 00 N | 077 02 54 W |
| Charles Evans Hughes House | Building | 29 | District of Columbia | 38 54 46 N | 077 02 56 W |
| Charles Richard Drew Bridge | Bridge | 42 | District of Columbia | 38 56 05 N | 076 59 37 W |
| Charles S Pryor Fellowship Hall | Building | 21 | District of Columbia | 38 54 25 N | 077 03 25 W |
| Charles Sumner School | School | 20 | District of Columbia | 38 54 21 N | 077 02 16 W |
| Charlotte Forten Grimke House | Building | 27 | District of Columbia | 38 54 45 N | 077 02 31 W |
| Chase House (historical) | Building | 12 | District of Columbia | 38 53 45 N | 077 01 12 W |
| Cherry Hill | Summit | 34 | District of Columbia | 38 54 54 N | 077 03 43 W |
| Chesapeake and Ohio Canal | Canal | 103 | District of Columbia | 39 31 01 N | 077 51 45 W |
| Chesapeake and Ohio Canal Monument | Park | 17 | District of Columbia | 38 54 15 N | 077 03 46 W |
| Chesapeake and Ohio Trail | Trail | 9 | District of Columbia | 38 54 18 N | 077 04 59 W |
| Chesapeake and Potomac Telephone Company | Building | 3 | District of Columbia | 38 53 31 N | 077 01 18 W |
| Chesapeake and Potomac Telephone Company Main Building Addition | Building | 14 | District of Columbia | 38 53 58 N | 077 01 41 W |
| Chesapeake Junction (historical) | Locale | 29 | District of Columbia | 38 53 38 N | 076 54 52 W |
| Chester Arthur Building | Building | 15 | District of Columbia | 38 54 05 N | 077 01 04 W |
| Chevy Chase | Populated Place | 102 | District of Columbia | 38 57 50 N | 077 04 04 W |
| Chevy Chase Arcade | Building | 92 | District of Columbia | 38 57 45 N | 077 04 29 W |
| Chevy Chase Branch Library | Building | 105 | District of Columbia | 38 57 59 N | 077 04 33 W |
| Chevy Chase Circle | Locale | 110 | District of Columbia | 38 58 04 N | 077 04 34 W |
| Chevy Chase Community Center | Park | 101 | District of Columbia | 38 57 54 N | 077 04 31 W |
| Chevy Chase Heights | Populated Place | 103 | District of Columbia | 38 57 34 N | 077 04 39 W |
| Chevy Chase Lake Shopping Center | Locale | 94 | District of Columbia | 38 57 47 N | 077 04 29 W |
| Chevy Chase Playground | Park | 104 | District of Columbia | 38 57 48 N | 077 04 50 W |
| Chevy Chase Recreation Center | Park | 104 | District of Columbia | 38 57 47 N | 077 04 51 W |
| Chevy Chase Theater | Building | 96 | District of Columbia | 38 57 49 N | 077 04 30 W |
| Chief Justice John Marshall Statue | Park | 7 | District of Columbia | 38 53 36 N | 077 01 02 W |
| Childrens Hospital Heliport | Airport | 55 | District of Columbia | 38 55 38 N | 077 00 49 W |
| Childrens Hospital National Medical Center | Hospital | 55 | District of Columbia | 38 55 36 N | 077 00 52 W |
| Childs House (historical) | Building | 18 | District of Columbia | 38 54 08 N | 077 02 06 W |
| Chillum Castle | Locale | 74 | District of Columbia | 38 57 24 N | 077 00 20 W |
| Chillum Station | Populated Place | 57 | District of Columbia | 38 57 20 N | 077 00 15 W |
| Chinatown | Populated Place | 16 | District of Columbia | 38 54 03 N | 077 01 22 W |
| Chinatown (historical) | Locale | 6 | District of Columbia | 38 53 33 N | 077 00 59 W |
| Chinese Community Church | Church | 25 | District of Columbia | 38 54 15 N | 077 01 36 W |
| Chinese Friendship Archway Memorial | Locale | 14 | District of Columbia | 38 53 59 N | 077 01 17 W |
| Christ Child Society Building | Building | 26 | District of Columbia | 38 53 33 N | 076 59 53 W |
| Christ Church | Church | 32 | District of Columbia | 38 54 29 N | 077 03 42 W |
| Christ Church | Church | 32 | District of Columbia | 38 54 29 N | 077 03 41 W |
| Christ Church Capitol Hill | Church | 21 | District of Columbia | 38 52 54 N | 076 59 51 W |
| Christ Church Rectory | Building | 32 | District of Columbia | 38 54 30 N | 077 03 44 W |
| Christ Episcopal Church | Church | 21 | District of Columbia | 38 52 54 N | 076 59 51 W |
| Christ Lutheran Church | Church | 73 | District of Columbia | 38 57 07 N | 077 02 09 W |
| Christ United Methodist Church | Church | 10 | District of Columbia | 38 52 44 N | 077 00 01 W |
| Christian Heurich Brewery (historical) | Building | 5 | District of Columbia | 38 53 45 N | 077 03 20 W |
| Christian Heurichs Lager Beer Brewery and Tavern (historical) | Building | 24 | District of Columbia | 38 54 29 N | 077 02 37 W |
| Christopher Columbus Memorial Fountain | Park | 17 | District of Columbia | 38 53 46 N | 077 00 23 W |
| Church of Christ | Church | 74 | District of Columbia | 38 56 54 N | 077 02 09 W |
| Church of God | Church | 29 | District of Columbia | 38 55 02 N | 077 01 20 W |
| Church of Jesus Christ | Church | 83 | District of Columbia | 38 52 00 N | 076 57 08 W |
| Church of Jesus Christ of Latter Day Saints | Church | 59 | District of Columbia | 38 55 33 N | 077 02 12 W |
| Church of Our Savior | Church | 43 | District of Columbia | 38 55 45 N | 076 58 54 W |
| Church of the Ascension | Church | 14 | District of Columbia | 38 53 59 N | 077 01 30 W |
| Church of the Covenant (historical) | Church | 21 | District of Columbia | 38 54 24 N | 077 02 28 W |
| Church of the Epiphany | Church | 14 | District of Columbia | 38 53 55 N | 077 01 50 W |
| Church of the Holy City | Church | 26 | District of Columbia | 38 54 42 N | 077 02 10 W |
| Church of the Incarnation | Church | 37 | District of Columbia | 38 54 05 N | 076 55 16 W |
| Church of the Incarnation (historical) | Church | 29 | District of Columbia | 38 54 25 N | 077 01 40 W |
| Church of the Lord Jesus Christ of Apostolic Faith | Church | 25 | District of Columbia | 38 53 36 N | 076 59 19 W |
| Church of the Pilgrims | Church | 20 | District of Columbia | 38 54 37 N | 077 02 58 W |
| Church of the Redeemer | Church | 61 | District of Columbia | 38 55 35 N | 076 59 04 W |
| Church of the Reformation | Church | 27 | District of Columbia | 38 53 24 N | 077 00 11 W |
| Church of the Savior | Church | 25 | District of Columbia | 38 54 38 N | 077 02 46 W |
| Church Row (historical) | Building | 13 | District of Columbia | 38 53 49 N | 077 01 12 W |
| Circle Hospital (historical) | Hospital | 21 | District of Columbia | 38 54 10 N | 077 03 04 W |
| City Hospital (historical) | Hospital | 15 | District of Columbia | 38 53 47 N | 077 01 04 W |
| City of Washington Museum | Building | 20 | District of Columbia | 38 54 09 N | 077 01 22 W |
| City Post Office | Post Office | 13 | District of Columbia | 38 53 53 N | 077 00 30 W |
| City Tavern (historical) | Locale | 22 | District of Columbia | 38 54 18 N | 077 03 49 W |
| Civil War Nurses Memorial | Park | 17 | District of Columbia | 38 54 20 N | 077 02 28 W |
| Civil War Sailors Statue | Park | 5 | District of Columbia | 38 53 23 N | 077 00 46 W |
| Clark Elementary School | School | 70 | District of Columbia | 38 56 40 N | 077 01 20 W |
| Clark Griffith Stadium (historical) | Park | 31 | District of Columbia | 38 55 02 N | 077 01 13 W |
| Clark Hall | Building | 116 | District of Columbia | 38 56 07 N | 077 05 22 W |
| Clark Mills Estate Subdivision (historical) | Populated Place | 40 | District of Columbia | 38 55 42 N | 076 58 09 W |
| Clark Mills Foundry (historical) | Building | 18 | District of Columbia | 38 55 17 N | 076 58 09 W |
| Clark Mills House (historical) | Building | 23 | District of Columbia | 38 55 09 N | 076 58 26 W |
| Clendenen Gymnasium | Building | 116 | District of Columbia | 38 56 15 N | 077 05 20 W |
| Clerc Hall | Building | | District of Columbia | 38 54 30 N | 076 59 30 W |
| Cleveland Elementary School (historical) | School | 26 | District of Columbia | 38 54 54 N | 077 01 22 W |
| Cleveland Park | Populated Place | 97 | District of Columbia | 38 56 10 N | 077 03 56 W |
| Cleveland Park Branch Library | Building | 65 | District of Columbia | 38 56 00 N | 077 03 26 W |
| Cleveland Park Congregational United Church of Christ | Church | 99 | District of Columbia | 38 55 56 N | 077 03 60 W |