- Picnic Island
- Pierce Bridge
- Pierce Island
- Pierces Island
- Piermont
- Pig Island
- Pike
- Pinardville
- Pine Cliff
- Pine Grove Park
- Pine Island
- Pine Island
- Pine River
- Piscataqua
- Pistol Island
- Pitchwood Island
- Pittsburg
- Pittsfield
- Place
- Plaice Cove
- Plainfield
- Plaistow
- Pleasant Island
- Plummer Island
- Plymouth
- Pollys Crossing
- Ponemah
- Poocham
- Poplar Island
- Poplar Island