| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Anapolisa | city | Maryland | United States | 38.98 | -76.49 | 3 | |
| Anapolės | city | Maryland | United States | 38.98 | -76.49 | 3 | |
| Anapołi | city | Maryland | United States | 38.98 | -76.49 | 3 | |
| Anchorage | city | Maryland | United States | 38.80 | -76.14 | 3 | |
| Anchorage | city | Maryland | United States | 38.94 | -76.47 | 6 | |
| Anchorage Anchors | city | Maryland | United States | 38.32 | -76.90 | 3 | |
| Anchorage Park Mobile Home Park | city | Maryland | United States | 38.51 | -76.66 | 3 | |
| Ancient Oak | city | Maryland | United States | 39.11 | -77.27 | 396 | |
| Ancient Oak North | city | Maryland | United States | 39.12 | -77.27 | 390 | |
| Ancient Oak West | city | Maryland | United States | 39.11 | -77.28 | 357 | |
| Ancient Oaks | city | Maryland | United States | 38.17 | -76.41 | 16 | |
| Andersons Corner | city | Maryland | United States | 39.06 | -76.66 | 131 | |
| Andersontown | city | Maryland | United States | 38.84 | -75.78 | 49 | |
| Andora | city | Maryland | United States | 39.68 | -75.86 | 269 | |
| Andora Acres | city | Maryland | United States | 39.69 | -75.87 | 295 | |
| Andorick Acres | city | Maryland | United States | 39.14 | -76.69 | 150 | |
| Andover Estates | city | Maryland | United States | 38.17 | -76.50 | 3 | |
| Andrews | city | Maryland | United States | 38.36 | -76.11 | 6 | |
| Andrews Manor | city | Maryland | United States | 38.81 | -76.90 | 249 | |
| Angelica | city | Maryland | United States | 38.59 | -76.52 | 62 | |
| Annandale | city | Maryland | United States | 39.32 | -76.97 | 830 | |
| Annapolis | city | Maryland | United States | 38.98 | -76.49 | 3 | |
| Annapolis Cove | city | Maryland | United States | 38.94 | -76.46 | 0 | |
| Annapolis Landing | city | Maryland | United States | 38.94 | -76.58 | 3 | |
| Annapolis Overlook | city | Maryland | United States | 38.95 | -76.51 | 42 | |
| Annapolis Roads | city | Maryland | United States | 38.95 | -76.47 | 3 | |
| Annapolis Rock | city | Maryland | United States | 39.28 | -77.13 | 830 | |
| Annemessix Towne (historical) | city | Maryland | United States | 38.04 | -75.78 | 3 | |
| Annes Delight | city | Maryland | United States | 39.43 | -76.35 | 88 | |
| Anneslie | city | Maryland | United States | 39.38 | -76.60 | 400 | |
| Annetta Gardens | city | Maryland | United States | 39.19 | -76.80 | 298 | |
| Annie Hall | city | Maryland | United States | 38.68 | -76.57 | 49 | |
| Another Place | city | Maryland | United States | 38.44 | -76.52 | 98 | |
| Anscroft | city | Maryland | United States | 39.13 | -77.05 | 400 | |
| Anthony | city | Maryland | United States | 38.88 | -75.79 | 29 | |
| Anthonyville | city | Maryland | United States | 39.34 | -76.55 | 147 | |
| Antietam | city | Maryland | United States | 39.42 | -77.74 | 396 | |
| Antietam Farmettes | city | Maryland | United States | 39.52 | -77.71 | 400 | |
| Antietam Heights | city | Maryland | United States | 39.48 | -77.69 | 830 | |
| Antietam Manor | city | Maryland | United States | 39.53 | -77.75 | 830 | |
| Antietam Overlook | city | Maryland | United States | 39.52 | -77.70 | 830 | |
| Antietam Village | city | Maryland | United States | 39.44 | -77.41 | 318 | |
| Anton North | city | Maryland | United States | 39.40 | -76.72 | 830 | |
| Anton Woods | city | Maryland | United States | 39.40 | -76.73 | 830 |