Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Potomac Railroad Bridge | Bridge | 1 | District of Columbia | 38 52 27 N | 077 02 20 W |
| Potomac Riding School (historical) | School | 5 | District of Columbia | 38 53 43 N | 077 03 19 W |
| Poulton Hall | Building | | District of Columbia | 38 54 30 N | 077 04 18 W |
| Powell Elementary School | School | 52 | District of Columbia | 38 56 29 N | 077 01 51 W |
| Powell Recreation Center | Park | 60 | District of Columbia | 38 55 48 N | 077 02 09 W |
| Pre-Clinical Science Building | Building | | District of Columbia | 38 54 41 N | 077 04 39 W |
| Pre-Engineering School | School | 22 | District of Columbia | 38 54 28 N | 077 00 45 W |
| Preece Riding School (historical) | School | 31 | District of Columbia | 38 55 00 N | 077 03 27 W |
| Premier Building | Building | 22 | District of Columbia | 38 54 05 N | 077 02 25 W |
| Presbyterian Graveyard (historical) | Cemetery | 42 | District of Columbia | 38 54 36 N | 077 04 01 W |
| Presbyterian Retirement Home | Building | 84 | District of Columbia | 38 57 34 N | 077 03 41 W |
| President Andrew Jackson Memorial | Park | 18 | District of Columbia | 38 53 57 N | 077 02 11 W |
| President James Garfield Memorial | Park | 5 | District of Columbia | 38 53 20 N | 077 00 44 W |
| President Lincoln and Soldiers' Home National Monument | Park | 99 | District of Columbia | 38 56 30 N | 077 00 41 W |
| President Ulysses S Grant Memorial | Park | 5 | District of Columbia | 38 53 22 N | 077 00 50 W |
| President's Building | Building | 119 | District of Columbia | 38 56 20 N | 077 05 19 W |
| President's House - Gallaudet University | Building | 25 | District of Columbia | 38 54 22 N | 076 59 49 W |
| Presidents Offices - George Washington University | Building | 19 | District of Columbia | 38 53 53 N | 077 02 41 W |
| Presidents Park | Park | 9 | District of Columbia | 38 53 45 N | 077 02 12 W |
| Pretty Prospect (historical) | Populated Place | 49 | District of Columbia | 38 55 15 N | 077 02 44 W |
| Primary Hall Gallaudet College (historical) | School | 22 | District of Columbia | 38 54 20 N | 076 59 47 W |
| Prince Hall Masonic Temple | Building | 28 | District of Columbia | 38 55 01 N | 077 01 33 W |
| Prodigal Son Statue | Park | 116 | District of Columbia | 38 55 45 N | 077 04 21 W |
| Professor Joseph Henry Statue | Park | 8 | District of Columbia | 38 53 21 N | 077 01 33 W |
| Progress of Railroading Statues | Park | 16 | District of Columbia | 38 53 49 N | 077 00 24 W |
| Prometheus Statue | Park | 16 | District of Columbia | 38 53 49 N | 077 00 24 W |
| Prospect Hill Cemetery | Cemetery | 51 | District of Columbia | 38 55 09 N | 077 00 27 W |
| Prospect House | Building | 34 | District of Columbia | 38 54 21 N | 077 04 10 W |
| Prospect Learning Center | School | 31 | District of Columbia | 38 54 22 N | 077 04 03 W |
| Protestant Episcopal Cathedral Foundation | Building | 109 | District of Columbia | 38 55 50 N | 077 04 09 W |
| Protestant Orphan Asylum (historical) | Locale | 29 | District of Columbia | 38 54 50 N | 077 01 52 W |
| Providence Baptist Church | Church | 21 | District of Columbia | 38 52 55 N | 076 58 60 W |
| Providence Church | Church | 14 | District of Columbia | 38 54 05 N | 077 00 12 W |
| Providence Hospital | Hospital | 40 | District of Columbia | 38 56 37 N | 076 59 28 W |
| Pryzbyla Plaza | Locale | 62 | District of Columbia | 38 56 01 N | 076 59 55 W |
| Psychiatric Institute of Washington | Hospital | 31 | District of Columbia | 38 54 27 N | 077 05 02 W |
| Ptomaine Row (historical) | Building | 24 | District of Columbia | 38 53 13 N | 077 00 17 W |
| Public Health Administration Building | Building | 7 | District of Columbia | 38 53 33 N | 077 02 39 W |
| Puck Fountain | Park | 12 | District of Columbia | 38 53 51 N | 077 00 10 W |
| Pulaski Park | Park | 6 | District of Columbia | 38 53 45 N | 077 01 49 W |
| Pullman House | Building | 19 | District of Columbia | 38 54 17 N | 077 02 09 W |
| Pulpit Rock | Pillar | 38 | District of Columbia | 38 56 42 N | 077 02 48 W |
| Purdy Court (historical) | Building | 6 | District of Columbia | 38 53 37 N | 077 00 46 W |
| Quality Hill | Building | 32 | District of Columbia | 38 54 21 N | 077 04 05 W |
| Quarters A - Washington Navy Yard | Building | 11 | District of Columbia | 38 52 34 N | 076 59 41 W |
| Quarters B - Washington Navy Yard | Building | 4 | District of Columbia | 38 52 32 N | 076 59 50 W |
| Queen Isabella I Statue | Park | 5 | District of Columbia | 38 53 33 N | 077 02 23 W |
| Queenstown (historical) | Locale | 47 | District of Columbia | 38 56 10 N | 076 59 45 W |
| Quinn House | Building | 66 | District of Columbia | 38 56 13 N | 076 59 57 W |
| R H Terrell Junior High School | School | 21 | District of Columbia | 38 54 18 N | 077 00 46 W |
| R L Christian Community Library | Building | 15 | District of Columbia | 38 54 00 N | 076 59 18 W |
| Rabaut Junior High School (historical) | School | 72 | District of Columbia | 38 57 43 N | 077 00 45 W |
| Rabaut Park | Park | 60 | District of Columbia | 38 55 35 N | 077 02 13 W |
| Rabaut Recreation Center | Park | 68 | District of Columbia | 38 57 46 N | 077 00 49 W |
| Railroad Retirement Board | Building | 4 | District of Columbia | 38 53 12 N | 077 00 59 W |
| Raleigh Hotel (historical) | Building | 4 | District of Columbia | 38 53 41 N | 077 01 41 W |
| Ralph Bunche House | Building | 50 | District of Columbia | 38 55 48 N | 076 59 00 W |
| Rammed Earth House | Building | 54 | District of Columbia | 38 55 30 N | 076 59 12 W |
| Randall Building | Building | 3 | District of Columbia | 38 52 46 N | 077 00 45 W |
| Randall Junior High School | School | 3 | District of Columbia | 38 52 46 N | 077 00 41 W |
| Randall Memorial United Methodist Church | Church | 17 | District of Columbia | 38 54 11 N | 076 56 13 W |
| Randall Recreation Center | Park | 4 | District of Columbia | 38 52 48 N | 077 00 37 W |
| Randall Station Post Office (historical) | Post Office | 7 | District of Columbia | 38 52 26 N | 076 58 24 W |
| Randle Circle | Locale | 23 | District of Columbia | 38 52 40 N | 076 57 41 W |
| Randle Highlands | Populated Place | 33 | District of Columbia | 38 52 13 N | 076 57 59 W |
| Randle Highlands Elementary School | School | 52 | District of Columbia | 38 52 11 N | 076 57 51 W |
| Randle Highlands Recreation Center | Building | 49 | District of Columbia | 38 52 11 N | 076 57 48 W |
| Randle Station Post Office | Post Office | 7 | District of Columbia | 38 52 26 N | 076 58 24 W |
| Rapids Bridge | Bridge | 28 | District of Columbia | 38 54 41 N | 077 02 38 W |
| Rawlins Park | Park | 13 | District of Columbia | 38 53 44 N | 077 02 39 W |
| Rayburn House Office Building | Building | 9 | District of Columbia | 38 53 12 N | 077 00 38 W |
| Raymond Elementary School | School | 54 | District of Columbia | 38 56 08 N | 077 01 33 W |
| Raymond Playground | Park | 57 | District of Columbia | 38 56 12 N | 077 01 34 W |
| Raymond Recreation Center | Park | 54 | District of Columbia | 38 56 08 N | 077 01 33 W |
| Re-Survey on New Seat (historical) | Civil | 18 | District of Columbia | 38 56 24 N | 077 03 04 W |
| Rear Admiral Samuel Francis Dupont Memorial | Park | 28 | District of Columbia | 38 54 42 N | 077 02 37 W |
| Reardon House | Building | 66 | District of Columbia | 38 56 13 N | 076 59 58 W |
| Reckert House | Building | 20 | District of Columbia | 38 54 18 N | 077 03 56 W |
| Reconstruction Finance Corporation Building | Building | 19 | District of Columbia | 38 54 03 N | 077 02 03 W |
| Red Cross Men and Women Killed in Service Statue | Park | 7 | District of Columbia | 38 53 39 N | 077 02 26 W |
| Red Lion Row | Building | 22 | District of Columbia | 38 54 04 N | 077 02 43 W |
| Red Top (historical) | Building | 107 | District of Columbia | 38 56 04 N | 077 04 09 W |
| Red Wood Estate (historical) | Building | 53 | District of Columbia | 38 55 50 N | 077 03 09 W |
| Reed Alumni Residence | Building | | District of Columbia | 38 54 28 N | 077 04 15 W |
| Reed Learning Center Elementary School | School | 44 | District of Columbia | 38 55 09 N | 077 02 28 W |
| Reedy Branch (historical) | Stream | | District of Columbia | 38 54 45 N | 077 01 23 W |
| Reeves Center Municipal Building | Building | 31 | District of Columbia | 38 55 02 N | 077 01 57 W |
| Reeves Station (historical) | Locale | 28 | District of Columbia | 38 55 50 N | 076 57 31 W |
| Reflecting Pool | Reservoir | 7 | District of Columbia | 38 53 36 N | 077 02 39 W |
| Regan Hall | Building | 53 | District of Columbia | 38 56 18 N | 076 59 52 W |
| Regency Row | Building | 29 | District of Columbia | 38 54 19 N | 077 04 05 W |
| Reggio Emilia Preschool | School | 26 | District of Columbia | 38 53 34 N | 076 59 60 W |
| Reiss Science Building | Building | | District of Columbia | 38 54 34 N | 077 04 25 W |
| Reno | Populated Place | 126 | District of Columbia | 38 57 10 N | 077 04 42 W |
| Reno Reservoir | Reservoir | 126 | District of Columbia | 38 57 14 N | 077 04 39 W |
| Renwick Gallery | Building | 17 | District of Columbia | 38 53 56 N | 077 02 25 W |
| Reorganized Church of Jesus Christ of Latter Day Saints | Church | 89 | District of Columbia | 38 55 31 N | 077 04 10 W |
| Republic Saving and Building Company (historical) | Building | 30 | District of Columbia | 38 54 29 N | 077 05 14 W |
| Research Resource Facility | Building | | District of Columbia | 38 54 41 N | 077 04 43 W |
| Reserve Officers Memorial | Park | 6 | District of Columbia | 38 53 45 N | 077 01 58 W |
| Reservoir Playground | Park | 37 | District of Columbia | 38 54 34 N | 077 05 25 W |
| Reynolds Barracks (historical) | Locale | 12 | District of Columbia | 38 53 47 N | 077 02 14 W |
| Reynolds Hall | Building | | District of Columbia | 38 54 25 N | 077 04 34 W |
| Rhode Island Avenue Methodist Church | Church | 27 | District of Columbia | 38 54 58 N | 077 00 43 W |
| Rhode Island Avenue Metro Station | Locale | 32 | District of Columbia | 38 55 14 N | 076 59 47 W |
| Rhode Island Avenue Residential Building | Building | 28 | District of Columbia | 38 54 28 N | 077 02 00 W |
| Rhodes Tavern (historical) | Building | 11 | District of Columbia | 38 53 50 N | 077 02 01 W |
| Richard Brevard Russell Office Building | Building | 22 | District of Columbia | 38 53 33 N | 077 00 25 W |
| Richardson Elementary School | School | 33 | District of Columbia | 38 53 30 N | 076 55 28 W |
| Richmond Hotel (historical) | Building | 19 | District of Columbia | 38 54 00 N | 077 02 16 W |