| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Portside Mobile Home Park | city | Florida | United States | 30.30 | -81.45 | 9 | |
| Portsmouth | city | Iowa | United States | 41.65 | -95.52 | 1197 | |
| Portsmouth | city | Kentucky | United States | 37.53 | -83.32 | 918 | |
| Portsmouth | city | New Hampshire | United States | 43.07 | -70.76 | 13 | |
| Portsmouth | city | North Carolina | United States | 35.07 | -76.06 | 3 | |
| Portsmouth | city | Ohio | United States | 38.73 | -83.00 | 830 | |
| Portsmouth | city | Rhode Island | United States | 41.60 | -71.25 | 55 | |
| Portsmouth | city | Virginia | United States | 36.84 | -76.30 | 3 | |
| Portsmouth Acres | city | Virginia | United States | 36.80 | -76.38 | 13 | |
| Portsmouth Heights | city | Virginia | United States | 36.82 | -76.37 | 3 | |
| Portsmouth Mobile Home Park | city | Ohio | United States | 38.76 | -82.99 | 830 | |
| Portsmouth Mobile Homes | city | New Hampshire | United States | 43.02 | -70.79 | 88 | |
| Portsmouth Park | city | Rhode Island | United States | 41.62 | -71.24 | 0 | |
| Portsmouth Plains | city | New Hampshire | United States | 43.06 | -70.78 | 49 | |
| Portsmouth Village | city | North Carolina | United States | 35.07 | -76.06 | 3 | |
| Portsville | city | Delaware | United States | 38.56 | -75.63 | 19 |