| Sugarloaf Township, PA (Township) |
| Sugartree, MO (Township) |
| Sugden, OK (Town) |
| Suisun City, CA (City) |
| Sulligent, AL (City) |
| Sullivan, MN (Township) |
| Sullivan, NY (Town) |
| Sullivan, IL (City) |
| Sullivan, MO (City) |
| Sullivan, ME (Town) |
| Sullivan, NH (Town) |
| Sullivan, IN (City) |
| Sullivan, ND (Township) |
| Sullivan City, TX (City) |
| Sullivan County, NH (County) |
