| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Seah | city | Banten | Indonesia | -6.56 | 106.39 | 830 | 62266 |
| Seaham | city | New South Wales | Australia | -32.66 | 151.72 | 19 | 1 |
| Seaham | city | Durham | United Kingdom | 54.84 | -1.34 | 108 | 38351 |
| Seaham Harbour | city | Durham | United Kingdom | 54.84 | -1.34 | 108 | 38351 |
| Seahampton | city | New South Wales | Australia | -32.89 | 151.58 | 180 | 33110 |
| Seahaven | city | California | United States | 38.11 | -122.87 | 167 | |
| Seahaven (historical) | city | Washington | United States | 46.69 | -123.82 | 3 | |
| Seahorse Mobile Home Park | city | Florida | United States | 29.00 | -80.91 | 3 | |
| Seahouses | city | Northumberland | United Kingdom | 55.58 | -1.65 | 0 | 0 |
| Seahurst | city | Washington | United States | 47.47 | -122.36 | 298 |