| Boyko | Man | Bulgarian Names |
| Boyle | Man | Irish Names |
| Boys | Man | English Names |
| Bozica | Woman | Slavic Names |
| Bozydar | Man | Slavic Names |
| Brac | Man | Arabic Names |
| Bracha | Woman | Hebrew Names |
| Bracken | Unisex | English Names |
| Brad | Man | English Names |
| Bradan | Man | Irish Names |
| Bradbury | Unisex | English Names |
| Braddock | Unisex | English Names |
| Braden | Man | English Names |
| Bradford | Man | English Names |
| Bradley | Man | English Names |
| Bradshaw | Man | English Names |
| Bradwin | Man | American Names |
| Brady | Unisex | Irish Names |
| Braeden | Man | English Names |
| Braewyn | Woman | English Names |