| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Port Acres | city | Texas | United States | 29.90 | -94.03 | 3 | |
| Port Alexander | city | Alaska | United States | 56.25 | -134.64 | 0 | |
| Port Alice | city | Alaska | United States | 55.83 | -133.60 | 0 | |
| Port Allegany | city | Pennsylvania | United States | 41.81 | -78.28 | 1669 | |
| Port Allen | city | Hawaii | United States | 21.90 | -159.59 | 0 | |
| Port Allen | city | Louisiana | United States | 30.45 | -91.21 | 32 | |
| Port Allen (historical) | city | Iowa | United States | 41.34 | -91.35 | 830 | |
| Port Allen Landing | city | Louisiana | United States | 30.45 | -91.20 | 3 | |
| Port Alsworth | city | Alaska | United States | 60.20 | -154.31 | 396 | |
| Port Alto | city | Texas | United States | 28.66 | -96.41 | 0 | |
| Port Amherst | city | West Virginia | United States | 38.31 | -81.56 | 830 | |
| Port Anderson (historical) | city | Mississippi | United States | 33.53 | -91.20 | 98 | |
| Port Andrew | city | Wisconsin | United States | 43.21 | -90.57 | 830 | |
| Port Angeles | city | Washington | United States | 48.12 | -123.43 | 108 | |
| Port Ann | city | Pennsylvania | United States | 40.82 | -77.15 | 830 | |
| Port Aquia | city | Virginia | United States | 38.47 | -77.40 | 52 | |
| Port Aransas | city | Texas | United States | 27.83 | -97.06 | 9 | |
| Port Armstrong | city | Alaska | United States | 56.30 | -134.66 | 3 | |
| Port Arthur | city | Texas | United States | 29.90 | -93.93 | 3 | |
| Port Arthur | city | Wisconsin | United States | 45.43 | -91.16 | 1128 | |
| Port Arthur (historical) | city | Washington | United States | 48.21 | -122.72 | 127 | |
| Port Arthur i Texas | city | Texas | United States | 29.90 | -93.93 | 3 | |
| Port Ashton | city | Alaska | United States | 60.06 | -148.05 | 0 | |
| Port Austin | city | Michigan | United States | 44.05 | -82.99 | 830 |