| Seminole County, OK (County) |
| Seminole County, GA (County) |
| Semmes, AL (City) |
| Sempronius, NY (Town) |
| Senachwine Township, IL (Township) |
| Senath, MO (City) |
| Senatobia, MS (City) |
| Seneca, MO (City) |
| Seneca, SC (City) |
| Seneca, OR (City) |
| Seneca, NE (Village) |
| Seneca, KS (City) |
| Seneca, SD (Town) |
| Seneca, IL (Village) |
| Seneca, NY (Town) |
