| Popple Grove, MN (Township) |
| Popple River Town, WI (Town) |
| Poppleton, MN (Township) |
| Poquoson, VA (City) |
| Poquott, NY (Village) |
| Port Alexander, AK (City) |
| Port Allegany, PA (Borough) |
| Port Allen, LA (City) |
| Port Angeles, WA (City) |
| Port Aransas, TX (City) |
| Port Arthur, TX (City) |
| Port Austin, MI (Village) |
| Port Austin Township, MI (Township) |
| Port Barre, LA (Town) |
| Port Barrington, IL (Village) |
