| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Lamond Riggs | city | District of Columbia | United States | 38.97 | -77.01 | 209 | |
| Langdon | city | District of Columbia | United States | 38.92 | -76.97 | 52 | |
| Lanier Heights | city | District of Columbia | United States | 38.93 | -77.04 | 147 | |
| LeDroit Park | city | District of Columbia | United States | 38.92 | -77.02 | 75 | |
| Lewis Subdivision (historical) | city | District of Columbia | United States | 38.94 | -77.03 | 177 | |
| Lincoln Heights | city | District of Columbia | United States | 38.89 | -76.93 | 147 | |
| Lincoln Park | city | District of Columbia | United States | 38.89 | -76.98 | 49 | |
| Little Indian Rock Terrace | city | District of Columbia | United States | 38.91 | -77.08 | 62 | |
| Logan Circle | city | District of Columbia | United States | 38.91 | -77.03 | 75 |