| Port Henry, NY (Village) |
| Port Hope, MN (Township) |
| Port Hope, MI (Village) |
| Port Hueneme, CA (City) |
| Port Huron, MI (City) |
| Port Huron Township, MI (Township) |
| Port Isabel, TX (City) |
| Port Jefferson, NY (Village) |
| Port Jefferson, OH (Village) |
| Port Jervis, NY (City) |
| Port Labelle Community Development District, FL (CDD) |
| Port Lavaca, TX (City) |
| Port Leyden, NY (Village) |
| Port Lions, AK (City) |
| Port Louisa Township, IA (Township) |
