| Buchanan Town, WI (Town) |
| Buchanan Township, MI (Township) |
| Buchanan Township, IA (Township) |
| Buchanan Township, IA (Township) |
| Buchanan Valley, ND (Township) |
| Buchtel, OH (Village) |
| Buck Creek, IN (Township) |
| Buck Grove, IA (City) |
| Buck Township, IL (Township) |
| Buck Township, PA (Township) |
| Buck Township, OH (Township) |
| Buckeye, IA (City) |
| Buckeye, AZ (Town) |
| Buckeye, ND (Township) |
| Buckeye, KS (Township) |
