| Burl | Man | American Names |
| Burn | Man | English Names |
| Burnett | Unisex | English Names |
| Burns | Unisex | English Names |
| Burrell | Woman | English Names |
| Burrhus | Man | English Names |
| Burris | Man | English Names |
| Burroughs | Unisex | English Names |
| Burt | Man | English Names |
| Burton | Man | English Names |
| Buse | Woman | Turkish Names |
| Bush | Unisex | English Names |
| Bushra | Woman | Arabic Names |
| Bustan | Unisex | Hebrew Names |
| Buster | Man | American Names |
| Busy | Woman | American Names |
| Butch | Unisex | American Names |
| Buthainah | Woman | Arabic Names |
| Butrus | Woman | Arabic Names |
| Butterfly | Woman | American Names |