| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Flag Harbor | city | Maryland | United States | 38.46 | -76.47 | 42 | |
| Flag Marsh Heights | city | Maryland | United States | 39.37 | -77.09 | 830 | |
| Flagg Meadows | city | Maryland | United States | 39.49 | -76.91 | 830 | |
| Flamewood | city | Maryland | United States | 39.17 | -76.91 | 400 | |
| Fleming Way Estates | city | Maryland | United States | 39.43 | -77.09 | 830 | |
| Flickersville | city | Maryland | United States | 39.45 | -77.70 | 830 | |
| Flickerwood | city | Maryland | United States | 39.59 | -76.70 | 830 | |
| Flint | city | Maryland | United States | 39.66 | -77.44 | 925 | |
| Flint Hill | city | Maryland | United States | 39.31 | -77.40 | 403 | |
| Flintridge | city | Maryland | United States | 39.22 | -77.07 | 830 | |
| Flintstone | city | Maryland | United States | 39.70 | -78.57 | 958 | |
| Flintville (historical) | city | Maryland | United States | 39.69 | -76.24 | 285 | |
| Flohrville | city | Maryland | United States | 39.39 | -76.97 | 830 | |
| Flook Farm | city | Maryland | United States | 39.52 | -77.58 | 830 | |
| Florence | city | Maryland | United States | 39.31 | -77.11 | 830 | |
| Florence Estates | city | Maryland | United States | 39.31 | -77.14 | 830 | |
| Florence Farms | city | Maryland | United States | 39.30 | -77.12 | 830 | |
| Florence Manor | city | Maryland | United States | 39.32 | -77.12 | 830 | |
| Flower Hill | city | Maryland | United States | 39.16 | -77.17 | 830 | |
| Flower Village Mobile Home Park | city | Maryland | United States | 38.80 | -76.85 | 216 | |
| Flowers of the Forest | city | Maryland | United States | 38.24 | -76.46 | 52 | |
| Flowerwood Estates | city | Maryland | United States | 39.41 | -77.10 | 830 | |
| Floyd | city | Maryland | United States | 39.50 | -79.16 | 1669 |