| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Swan Creek | city | Maryland | United States | 39.52 | -76.14 | 42 | |
| Swan Harbor | city | Maryland | United States | 38.39 | -76.28 | 3 | |
| Swan Harbour Dell Mobile Home Park | city | Maryland | United States | 39.53 | -76.14 | 49 | |
| Swan Haven | city | Maryland | United States | 38.79 | -76.03 | 49 | |
| Swan Meadows | city | Maryland | United States | 39.50 | -76.16 | 49 | |
| Swan Point | city | Maryland | United States | 39.23 | -76.40 | 0 | |
| Swan Point | city | Maryland | United States | 38.31 | -76.92 | 3 | |
| Swan Point Estates | city | Maryland | United States | 39.05 | -76.53 | 98 | |
| Swan Villas | city | Maryland | United States | 38.81 | -76.22 | 0 | |
| Swann Haven Mobile Home Park | city | Maryland | United States | 38.79 | -76.03 | 49 | |
| Swann Hills | city | Maryland | United States | 39.18 | -76.99 | 367 | |
| Swans | city | Maryland | United States | 38.80 | -76.53 | 0 | |
| Swansfield | city | Maryland | United States | 39.22 | -76.89 | 830 | |
| Swanson Creek Landing | city | Maryland | United States | 38.54 | -76.73 | 98 | |
| Swanton | city | Maryland | United States | 39.46 | -79.23 | 2509 | |
| Swanton (historical) | city | Maryland | United States | 39.36 | -75.83 | 49 | |
| Sweadner | city | Maryland | United States | 39.32 | -77.28 | 830 | |
| Sweepstakes | city | Maryland | United States | 39.26 | -77.22 | 830 | |
| Sweet Air | city | Maryland | United States | 39.51 | -76.54 | 830 | |
| Sweet Air | city | Maryland | United States | 39.39 | -76.92 | 830 | |
| Sweet Air Manor | city | Maryland | United States | 39.52 | -76.53 | 830 | |
| Sweet Grass Meadow | city | Maryland | United States | 39.65 | -76.02 | 357 | |
| Sweetser Heights | city | Maryland | United States | 39.23 | -76.66 | 55 | |
| Swiger | city | Maryland | United States | 39.55 | -77.28 | 830 |