| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Seffner | city | Florida | United States | 27.98 | -82.28 | 49 | |
| Seffner Heights | city | Florida | United States | 27.99 | -82.27 | 49 | |
| Seffner Park | city | Florida | United States | 27.99 | -82.27 | 49 | |
| Seffner Ridge Estates | city | Florida | United States | 27.98 | -82.28 | 55 | |
| Sefton | city | Illinois | United States | 39.07 | -88.96 | 830 |