| Bluffton Township, IA (Township) |
| Bluford, IL (Village) |
| Blum, TX (Town) |
| Blumfield Township, MI (Township) |
| Blunt, SD (City) |
| Blythe, CA (City) |
| Blythe, GA (Town) |
| Blythe Township, PA (Township) |
| Blythedale, MO (Village) |
| Blytheville, AR (City) |
| Blythewood, SC (Town) |
| Boardman, OR (City) |
| Boardman, NC (Town) |
| Boardman Township, IA (Township) |
| Boardman Township, MI (Township) |
