- Peppertown
- Percy Junction
- Perkins
- Perkinsville
- Perry Crossing
- Perry Manor
- Perrysburg
- Perryville
- Pershing
- Perth
- Peters Switch
- Peterson
- Petersville
- Petroleum
- Pettit
- Pettysville
- Phenix
- Philadelphia
- Philip Station
- Philomath
- Phlox
- Piattsville
- Pickard
- Pickwick Park
- Pierceville
- Pierson Station
- Pigeon
- Pigeon Roost Station
- Pike
- Pikes Peak