| Bucklin, MO (City) |
| Buckman, MN (Township) |
| Buckman, MN (City) |
| Buckner, IL (Village) |
| Buckner, MO (City) |
| Buckner, AR (City) |
| Bucks County, PA (County) |
| Bucks Township, OH (Township) |
| Buckskin Township, OH (Township) |
| Bucksport, ME (Town) |
| Bucoda, WA (Town) |
| Bucyrus, ND (Township) |
| Bucyrus, ND (City) |
| Bucyrus, OH (City) |
| Bucyrus Township, OH (Township) |
