| Butterfield, MN (Township) |
| Butterfield Township, MI (Township) |
| Butternut Valley, MN (Township) |
| Butternut Village, WI (Village) |
| Butternuts, NY (Town) |
| Button Township, IL (Township) |
| Butts County, GA (County) |
| Buxton, ME (Town) |
| Buxton, ND (City) |
| Buxton, ND (Township) |
| Buzzle, MN (Township) |
| Byars, OK (Town) |
| Byers, TX (City) |
| Byers, KS (City) |
| Byersville, ND (Township) |
