| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Pocomoke City | city | Maryland | United States | 38.08 | -75.57 | 19 | |
| Podickory Point | city | Maryland | United States | 39.03 | -76.41 | 3 | |
| Poets Colony | city | Maryland | United States | 38.39 | -75.59 | 19 | |
| Pohlman Point | city | Maryland | United States | 39.08 | -76.52 | 3 | |
| Poignant Acres | city | Maryland | United States | 39.48 | -77.07 | 830 | |
| Point Field Landing on the Severn | city | Maryland | United States | 39.08 | -76.62 | 3 | |
| Point Pleasant | city | Maryland | United States | 39.18 | -76.59 | 19 | |
| Point Somerset | city | Maryland | United States | 39.07 | -76.56 | 0 | |
| Point of Homewood | city | Maryland | United States | 39.24 | -76.90 | 830 | |
| Point of Rocks | city | Maryland | United States | 39.28 | -77.54 | 249 | |
| Point of Rocks Estates | city | Maryland | United States | 39.28 | -77.53 | 249 | |
| Point of View | city | Maryland | United States | 38.58 | -76.27 | 3 | |
| Point-O-Woods | city | Maryland | United States | 39.04 | -76.47 | 49 | |
| Polk Landing | city | Maryland | United States | 38.27 | -75.72 | 13 | |
| Polk Road | city | Maryland | United States | 38.26 | -75.75 | 13 | |
| Polo Club Estates | city | Maryland | United States | 39.08 | -77.27 | 347 | |
| Pomfret | city | Maryland | United States | 38.58 | -77.03 | 193 | |
| Pomfret Estates | city | Maryland | United States | 38.58 | -77.03 | 193 | |
| Pomona | city | Maryland | United States | 39.16 | -76.11 | 3 | |
| Pomona Heights | city | Maryland | United States | 38.31 | -75.22 | 19 | |
| Pomonkey | city | Maryland | United States | 38.61 | -77.07 | 147 | |
| Pomonkey Landing | city | Maryland | United States | 38.63 | -77.10 | 95 | |
| Pond View Acres | city | Maryland | United States | 38.82 | -76.67 | 111 | |
| Ponder Cove | city | Maryland | United States | 38.90 | -76.52 | 3 | |
| Ponderosa Estates | city | Maryland | United States | 38.27 | -76.59 | 98 | |
| Ponds Edge | city | Maryland | United States | 39.70 | -75.92 | 387 | |
| Pondsville | city | Maryland | United States | 39.62 | -77.59 | 1076 | |
| Pondtown | city | Maryland | United States | 39.21 | -75.91 | 49 | |
| Pooks Hill | city | Maryland | United States | 39.01 | -77.11 | 288 | |
| Poole | city | Maryland | United States | 39.64 | -76.26 | 344 | |
| Poolesville | city | Maryland | United States | 39.15 | -77.42 | 396 | |
| Popes Creek | city | Maryland | United States | 38.40 | -76.99 | 36 | |
| Poplar | city | Maryland | United States | 39.35 | -76.45 | 98 | |
| Poplar Grove | city | Maryland | United States | 39.64 | -76.27 | 396 | |
| Poplar Hill | city | Maryland | United States | 38.75 | -76.07 | 6 | |
| Poplar Hill | city | Maryland | United States | 38.62 | -76.74 | 170 | |
| Poplar Knob | city | Maryland | United States | 39.61 | -77.42 | 830 | |
| Poplar Neck | city | Maryland | United States | 38.41 | -75.39 | 39 | |
| Poplar Point | city | Maryland | United States | 39.55 | -76.03 | 0 | |
| Poplar Point | city | Maryland | United States | 38.96 | -76.54 | 3 | |
| Poplar Ridge | city | Maryland | United States | 39.13 | -76.46 | 3 | |
| Poplar Springs | city | Maryland | United States | 39.34 | -77.10 | 830 | |
| Poplar Thicket | city | Maryland | United States | 39.33 | -77.49 | 347 | |
| Poplar Woods | city | Maryland | United States | 38.58 | -76.53 | 98 | |
| Poplars | city | Maryland | United States | 38.67 | -76.55 | 98 | |
| Port Cherry Gardens Farm | city | Maryland | United States | 39.28 | -76.43 | 3 | |
| Port Deposit | city | Maryland | United States | 39.60 | -76.12 | 82 | |
| Port Heights | city | Maryland | United States | 39.63 | -76.12 | 314 | |
| Port Herman | city | Maryland | United States | 39.50 | -75.90 | 49 | |
| Port Republic | city | Maryland | United States | 38.50 | -76.53 | 98 | |
| Port Tobacco | city | Maryland | United States | 38.51 | -77.02 | 147 | |
| Port Tobacco Hills | city | Maryland | United States | 38.50 | -77.05 | 147 | |
| Port Tobacco Lakes | city | Maryland | United States | 38.50 | -77.03 | 55 | |
| Port Tobacco Riviera | city | Maryland | United States | 38.51 | -77.03 | 49 | |
| Port Tobacco Village | city | Maryland | United States | 38.51 | -77.02 | 147 | |
| Porter Mill Estates | city | Maryland | United States | 38.42 | -75.74 | 19 | |
| Porters (historical) | city | Maryland | United States | 39.54 | -78.88 | 830 | |
| Porters Park | city | Maryland | United States | 39.26 | -76.41 | 3 | |
| Porters Pride | city | Maryland | United States | 38.81 | -76.25 | 3 | |
| Porterstown | city | Maryland | United States | 39.47 | -77.71 | 830 | |
| Portland Manor | city | Maryland | United States | 38.80 | -76.64 | 147 | |
| Portland Station (historical) | city | Maryland | United States | 39.09 | -76.77 | 118 | |
| Portneys Overlook | city | Maryland | United States | 38.12 | -76.36 | 3 | |
| Portobello | city | Maryland | United States | 38.18 | -76.45 | 3 | |
| Pot Spring | city | Maryland | United States | 39.45 | -76.60 | 285 | |
| Potomac | city | Maryland | United States | 39.57 | -78.84 | 830 | |
| Potomac | city | Maryland | United States | 39.02 | -77.21 | 347 | |
| Potomac Chase | city | Maryland | United States | 39.09 | -77.26 | 328 | |
| Potomac Chase Estates | city | Maryland | United States | 39.08 | -77.28 | 347 | |
| Potomac Crest | city | Maryland | United States | 39.45 | -77.75 | 830 | |
| Potomac Estates | city | Maryland | United States | 39.44 | -77.18 | 830 | |
| Potomac Falls | city | Maryland | United States | 39.01 | -77.23 | 337 | |
| Potomac Gateway | city | Maryland | United States | 39.29 | -77.54 | 830 | |
| Potomac Glen | city | Maryland | United States | 39.03 | -77.21 | 393 | |
| Potomac Grove | city | Maryland | United States | 39.11 | -77.25 | 298 | |
| Potomac Heights | city | Maryland | United States | 38.61 | -77.14 | 52 | |
| Potomac Heights | city | Maryland | United States | 39.66 | -77.70 | 830 | |
| Potomac Hunt Acres | city | Maryland | United States | 39.03 | -77.24 | 239 | |
| Potomac Manor | city | Maryland | United States | 39.66 | -77.69 | 830 | |
| Potomac Manors | city | Maryland | United States | 39.02 | -77.22 | 347 | |
| Potomac Overlook | city | Maryland | United States | 39.31 | -77.54 | 830 | |
| Potomac Park | city | Maryland | United States | 39.61 | -78.81 | 830 | |
| Potomac Park Estate | city | Maryland | United States | 39.10 | -77.35 | 249 | |
| Potomac Shores | city | Maryland | United States | 38.49 | -77.02 | 98 | |
| Potomac Shores | city | Maryland | United States | 38.20 | -76.56 | 0 | |
| Potomac Valley Farms | city | Maryland | United States | 39.48 | -77.78 | 403 | |
| Potomac View | city | Maryland | United States | 38.28 | -76.90 | 0 | |
| Potomac Village | city | Maryland | United States | 39.28 | -77.53 | 275 | |
| Potomac Vista | city | Maryland | United States | 38.79 | -77.01 | 150 | |
| Potomac Vistas | city | Maryland | United States | 39.39 | -77.71 | 830 | |
| Potomac Wood | city | Maryland | United States | 38.60 | -77.16 | 3 | |
| Potomac Woodlands | city | Maryland | United States | 39.55 | -77.86 | 830 | |
| Potomac Woods | city | Maryland | United States | 39.06 | -77.17 | 357 | |
| Potters Landing | city | Maryland | United States | 38.83 | -75.85 | 9 | |
| Potts Point | city | Maryland | United States | 38.56 | -76.67 | 3 | |
| Poulsen Heights | city | Maryland | United States | 39.37 | -77.18 | 830 | |
| Powder Mill Addition | city | Maryland | United States | 39.50 | -76.42 | 416 | |
| Powder Mill Estates | city | Maryland | United States | 39.04 | -76.94 | 177 | |
| Powellville | city | Maryland | United States | 38.33 | -75.38 | 22 | |
| Powhatan | city | Maryland | United States | 39.32 | -76.73 | 396 | |
| Powhatan Beach | city | Maryland | United States | 39.14 | -76.56 | 49 | |
| Powhatan Hill | city | Maryland | United States | 39.32 | -76.72 | 298 | |
| Powhatan Village | city | Maryland | United States | 39.13 | -76.57 | 101 |