| Port Neches, TX (City) |
| Port of The Islands Community Improvement District, FL (CDD) |
| Port Orange , FL (City) |
| Port Orchard, WA (City) |
| Port Orford, OR (City) |
| Port Republic City, NJ (City) |
| Port Richey , FL (City) |
| Port Royal, PA (Borough) |
| Port Royal, VA (Town) |
| Port Royal, SC (Town) |
| Port Sanilac, MI (Village) |
| Port Sheldon Township, MI (Township) |
| Port St Joe, FL (City) |
| Port St. Lucie, FL (City) |
| Port Tobacco, MD (Town) |
