| Post Township, IA (Township) |
| Postville, IA (City) |
| Poteau, OK (City) |
| Poteet, TX (City) |
| Poth, TX (City) |
| Potlatch, ID (City) |
| Potomac, IL (Village) |
| Potosi, KS (Township) |
| Potosi, MO (City) |
| Potosi Town, WI (Town) |
| Potosi Village, WI (Village) |
| Potsdam, OH (Village) |
| Potsdam, NY (Town) |
| Potsdam, NY (Village) |
| Potsdam, ND (Township) |
