| Decatur, MS (Town) |
| Decatur, TX (City) |
| Decatur, TN (Town) |
| Decatur, GA (City) |
| Decatur, IN (City) |
| Decatur, IN (Township) |
| Decatur, AR (City) |
| Decatur, NE (Village) |
| Decatur, NE (Township) |
| Decatur, AL (City) |
| Decatur, IL (City) |
| Decatur, NY (Town) |
| Decatur, MI (Village) |
| Decatur City, IA (City) |
| Decatur County, KS (County) |
