- Pleyto
- Plum Valley
- Plumas
- Plumas Eureka
- Plumas Eureka (historical)
- Plumas Lake
- Plumbago
- Plymouth
- Poe
- Poffenbergers Landing
- Poggers Island
- Poinsett Park
- Punta Arenas
- Point Arena
- Point Blunt Rock
- Point Dume
- Point McCloud
- Point Pleasant
- Point Reyes Station
- Poker Flat
- Pole Garden
- Poleta
- Polk Springs
- Pollard Flat
- Pollock
- Pollock Pines
- Pomins
- Pomo
- Pomona
- Ponca