- Pine Ridge
- Pringle
- Parker
- Parkston
- Parmelee
- Peever
- Philip
- Pickstown
- Pierpont
- Pierre
- Plankinton
- Platte
- Pollock
- Porcupine
- Presho
- Pukwana
- Pancake Island
- Parade
- Parker Island
- Pascal Island (historical)
- Pascals Island (historical)
- Patricia
- Pearl Creek Colony
- Pearsons Corner
- Pease Island (historical)
- Pedro
- Peever Flats
- Peninsula Park
- Perkins
- Phelps Island (historical)