| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Packard Landing | city | Maine | United States | 45.29667 | -69.33417 | 318 | 243 |
| Packards | city | Maine | United States | 45.48111 | -68.93944 | 498 | 51 |
| Paine Corner | city | Maine | United States | 44.15806 | -70.43139 | 616 | 2994 |
| Paines Corner | city | Maine | United States | 44.5125 | -69.57444 | 213 | 7642 |
| Palermo | city | Maine | United States | 44.40778 | -69.47444 | 406 | 2006 |
| Palmyra | city | Maine | United States | 44.84639 | -69.35917 | 295 | 1831 |
| Parent | city | Maine | United States | 47.23361 | -68.02944 | 498 | 2335 |
| Paris | city | Maine | United States | 44.25972 | -70.50111 | 685 | 3593 |
| Parker Head | city | Maine | United States | 43.78444 | -69.80306 | 3 | 2221 |
| Parkers | city | Maine | United States | 45.19167 | -68.89889 | 298 | 778 |
| Parkhurst | city | Maine | United States | 46.74833 | -67.95722 | 498 | 3589 |
| Parkman | city | Maine | United States | 45.13361 | -69.43361 | 505 | 531 |
| Parrot | city | Maine | United States | 45.255 | -69.55444 | 721 | 221 |
| Parson Landing | city | Maine | United States | 45.26139 | -69.18833 | 482 | 1029 |
| Parsonage Corner | city | Maine | United States | 43.30806 | -70.68667 | 147 | 6508 |
| Parsonsfield | city | Maine | United States | 43.72694 | -70.92917 | 731 | 1416 |
| Passadumkeag | city | Maine | United States | 45.18528 | -68.61722 | 147 | 1025 |
| Pattee Corner | city | Maine | United States | 44.58694 | -69.08278 | 347 | 1372 |
| Patten | city | Maine | United States | 45.99639 | -68.44667 | 580 | 566 |
| Patten Junction | city | Maine | United States | 45.91333 | -68.41333 | 498 | 407 |
| Pauls | city | Maine | United States | 46.84528 | -68.04611 | 600 | 2912 |
| Pauls Corner | city | Maine | United States | 44.38 | -69.21778 | 255 | 1240 |
| Payneton | city | Maine | United States | 43.17833 | -70.72833 | 39 | 9545 |
| Payson Corner | city | Maine | United States | 44.25139 | -69.155 | 446 | 3777 |
| Pea Cove | city | Maine | United States | 44.98583 | -68.69417 | 121 | 5049 |
| Pea Ridge | city | Maine | United States | 45.42278 | -68.52528 | 200 | 841 |
| Peaks Island | city | Maine | United States | 43.65694 | -70.19667 | 19 | 12471 |
| Pease Corner | city | Maine | United States | 44.80222 | -69.95583 | 410 | 1995 |
| Pease Corner | city | Maine | United States | 44.275 | -69.2875 | 285 | 1735 |
| Pejepscot | city | Maine | United States | 43.96 | -70.01556 | 200 | 8658 |
| Pelton Hill | city | Maine | United States | 44.32111 | -69.82944 | 344 | 15087 |
| Pemaquid | city | Maine | United States | 43.90667 | -69.51556 | 16 | 1779 |
| Pemaquid Beach | city | Maine | United States | 43.87444 | -69.52194 | 0 | 914 |
| Pemaquid Harbor | city | Maine | United States | 43.89222 | -69.525 | 104 | 1779 |
| Pemaquid Point | city | Maine | United States | 43.84056 | -69.51028 | 0 | 914 |
| Pemaquid historical | city | Maine | United States | 43.90667 | -69.51556 | 16 | 1779 |
| Pembroke | city | Maine | United States | 44.95361 | -67.1625 | 95 | 859 |
| Penley Corner | city | Maine | United States | 44.05111 | -70.20056 | 200 | 35982 |
| Pennellville | city | Maine | United States | 43.86028 | -69.96194 | 0 | 14154 |
| Penobscot | city | Maine | United States | 44.46444 | -68.71167 | 75 | 1766 |
| Penobscot historical | city | Maine | United States | 44.38778 | -68.80028 | 6 | 708 |
| Perham | city | Maine | United States | 46.84417 | -68.19778 | 731 | 1008 |
| Perham Junction | city | Maine | United States | 44.92111 | -70.41083 | 1328 | 320 |
| Perkins | city | Maine | United States | 45.61278 | -68.8175 | 557 | 23 |
| Perkins Town | city | Maine | United States | 43.33833 | -70.705 | 213 | 6721 |
| Perry | city | Maine | United States | 44.975 | -67.07639 | 22 | 1114 |
| Perry Cove | city | Maine | United States | 43.83972 | -69.84472 | 98 | 6825 |
| Perrys Corner | city | Maine | United States | 43.70028 | -70.82167 | 580 | 2251 |
| Peru | city | Maine | United States | 44.50667 | -70.40583 | 400 | 1712 |
| Peter Dana Point | city | Maine | United States | 45.21167 | -67.63056 | 200 | 198 |
| Phair | city | Maine | United States | 46.62694 | -67.95389 | 600 | 3636 |
| Phillips | city | Maine | United States | 44.82306 | -70.34 | 590 | 562 |
| Phillips Corner | city | Maine | United States | 44.8125 | -69.44278 | 400 | 2918 |
| Phippsburg | city | Maine | United States | 43.82056 | -69.81528 | 42 | 3097 |
| Pierre | city | Maine | United States | 47.2325 | -68.67389 | 616 | 1673 |
| Pigeon Hill | city | Maine | United States | 44.44417 | -67.88806 | 16 | 597 |
| Pike Corner | city | Maine | United States | 43.98278 | -70.5175 | 485 | 3409 |
| Pine Cliff | city | Maine | United States | 43.83083 | -69.65083 | 0 | 2954 |
| Pine Corner | city | Maine | United States | 44.99556 | -67.29528 | 236 | 442 |
| Pine Hill | city | Maine | United States | 43.23139 | -70.59778 | 98 | 4497 |
| Pine Knoll | city | Maine | United States | 46.18222 | -69.025 | 935 | 5 |
| Pine Park | city | Maine | United States | 43.5075 | -70.40889 | 29 | 23156 |
| Pine Point | city | Maine | United States | 43.54111 | -70.34472 | 0 | 12937 |
| Pine Point Beach | city | Maine | United States | 43.5425 | -70.33333 | 0 | 13213 |
| Pingree Center | city | Maine | United States | 45.11222 | -69.44833 | 629 | 559 |
| Pishon Ferry | city | Maine | United States | 44.68694 | -69.62861 | 196 | 4648 |
| Pitmans Corner | city | Maine | United States | 44.3075 | -69.24417 | 295 | 1562 |
| Pittsfield | city | Maine | United States | 44.7825 | -69.38389 | 200 | 2830 |
| Pittston | city | Maine | United States | 44.22167 | -69.75611 | 98 | 9584 |
| Plaisted | city | Maine | United States | 47.09778 | -68.59083 | 570 | 421 |
| Pleasant Hill | city | Maine | United States | 43.59083 | -70.29917 | 52 | 39960 |
| Pleasant Hill | city | Maine | United States | 43.71417 | -70.26694 | 98 | 37248 |
| Pleasant Hill | city | Maine | United States | 43.87306 | -70.06639 | 108 | 5780 |
| Pleasant Island | city | Maine | United States | 44.99778 | -70.83722 | 1466 | 121 |
| Pleasant Point | city | Maine | United States | 43.97222 | -69.28417 | 3 | 2349 |
| Pleasant Point | city | Maine | United States | 44.95722 | -67.04278 | 3 | 2032 |
| Pleasant Pond | city | Maine | United States | 45.25667 | -69.94222 | 1328 | 75 |
| Pleasant Vale Corner | city | Maine | United States | 44.92861 | -69.30389 | 249 | 2065 |
| Pleasantdale | city | Maine | United States | 43.63306 | -70.26917 | 22 | 81396 |
| Plourde Mill | city | Maine | United States | 47.16556 | -68.61667 | 698 | 613 |
| Plummer Corner | city | Maine | United States | 44.78028 | -69.28806 | 249 | 1718 |
| Plummer Landing | city | Maine | United States | 44.05944 | -70.68361 | 269 | 2613 |
| Plummer Mill | city | Maine | United States | 43.98361 | -70.10139 | 134 | 7030 |
| Plymouth | city | Maine | United States | 44.76722 | -69.21083 | 265 | 1598 |
| Poland | city | Maine | United States | 44.06056 | -70.39417 | 400 | 3930 |
| Poland Spring | city | Maine | United States | 44.02778 | -70.36 | 403 | 3819 |
| Polands Corner | city | Maine | United States | 44.47167 | -69.26 | 554 | 1216 |
| Ponce Landing | city | Maine | United States | 43.68944 | -70.16861 | 32 | 7861 |
| Pond Cove | city | Maine | United States | 43.59639 | -70.22917 | 49 | 37022 |
| Pools Landing | city | Maine | United States | 43.94111 | -69.59028 | 3 | 2865 |
| Poors Mill | city | Maine | United States | 44.42806 | -69.10083 | 200 | 3285 |
| Popeville | city | Maine | United States | 43.78444 | -70.41972 | 226 | 8675 |
| Popham Beach | city | Maine | United States | 43.75194 | -69.785 | 3 | 1621 |
| Poplar Ripps | city | Maine | United States | 45.69889 | -69.87056 | 1085 | 26 |
| Port Clyde | city | Maine | United States | 43.92722 | -69.25333 | 0 | 1390 |
| Portage | city | Maine | United States | 46.76306 | -68.47639 | 698 | 340 |
| Porter | city | Maine | United States | 43.79583 | -70.93306 | 400 | 1468 |
| Porter Landing | city | Maine | United States | 43.84444 | -70.1 | 3 | 6872 |
| Porterfield | city | Maine | United States | 43.87611 | -70.91333 | 600 | 1170 |
| Portland | city | Maine | United States | 43.66139 | -70.25583 | 13 | 81396 |
| Powers Corner | city | Maine | United States | 46.67333 | -67.84694 | 731 | 1621 |
| Pownal Center | city | Maine | United States | 43.89222 | -70.18583 | 104 | 4322 |
| Prairie | city | Maine | United States | 45.40861 | -69.06444 | 396 | 265 |
| Pratt Corner | city | Maine | United States | 44.15833 | -70.44083 | 682 | 2994 |
| Preble Corner | city | Maine | United States | 45.04556 | -69.21417 | 669 | 3036 |
| Prentiss | city | Maine | United States | 45.49167 | -68.08222 | 524 | 167 |
| Presque Isle | city | Maine | United States | 46.68111 | -68.01639 | 498 | 4175 |
| Presque Isle Junction | city | Maine | United States | 46.70833 | -68.02778 | 498 | 4175 |
| Pretty Marsh | city | Maine | United States | 44.34028 | -68.39972 | 121 | 1827 |
| Pride | city | Maine | United States | 46.35056 | -68.27306 | 639 | 5 |
| Prides Corner | city | Maine | United States | 43.71361 | -70.33417 | 95 | 26049 |
| Princeton | city | Maine | United States | 45.22333 | -67.57278 | 213 | 450 |
| Pripet | city | Maine | United States | 44.36861 | -68.87056 | 19 | 555 |
| Proctors Corner | city | Maine | United States | 44.30333 | -69.28917 | 252 | 1628 |
| Promised Land | city | Maine | United States | 44.06778 | -70.43917 | 400 | 3614 |
| Prospect | city | Maine | United States | 44.55306 | -68.86528 | 88 | 2692 |
| Prospect Ferry | city | Maine | United States | 44.56694 | -68.80583 | 98 | 2631 |
| Prospect Harbor | city | Maine | United States | 44.40889 | -68.02667 | 9 | 1226 |
| Prouts Neck | city | Maine | United States | 43.53333 | -70.315 | 0 | 5045 |
| Pulpit Harbor | city | Maine | United States | 44.15861 | -68.88417 | 6 | 477 |
| Purgatory | city | Maine | United States | 44.21556 | -69.93444 | 170 | 4277 |
| Pushaw | city | Maine | United States | 44.9625 | -68.71306 | 150 | 3019 |
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