| Seaton, IL (Village) |
| Seatonville, IL (Village) |
| Seattle, WA (City) |
| Seavey, MN (Township) |
| Sebago, ME (Town) |
| Sebastian , FL (City) |
| Sebastian County, AR (County) |
| Sebastopol, CA (City) |
| Sebastopol, MS (Town) |
| Sebec, ME (Town) |
| Sebeka, MN (City) |
| Sebewa Township, MI (Township) |
| Sebewaing, MI (Village) |
| Sebewaing Township, MI (Township) |
| Seboeis, ME (Plantation) |
