- Passadumkeag
- Pattee Corner
- Patten
- Patten Junction
- Pauls
- Pauls Corner
- Payneton
- Payson Corner
- Pea Cove
- Pea Ridge
- Peabody Island
- Peabow Island
- Peaks Island
- Peanut Island
- Pearson Island
- Pease Corner
- Pease Corner
- Pease Island
- Peggy Island
- Peggys Island
- Pejepscot
- Pell Island
- Pelletier Deadwater Islands
- Pelton Hill
- Pemaquid
- Pemaquid Beach
- Pemaquid Harbor
- Pemaquid Point
- Pembroke
- Penley Corner