| Batya | Woman | Hebrew Names |
| Batzorig | Man | Mongolian Names |
| Baudelio | Man | Spanish Names |
| Baudouin | Man | French Names |
| Bauer | Man | English Names |
| Bautista | Unisex | Spanish Names |
| Bavo | Man | German Names |
| Baxter | Man | English Names |
| Bay | Unisex | English Names |
| Bayan | Woman | Arabic Names |
| Bayard | Man | French Names |
| Bayarmaa | Woman | Mongolian Names |
| Bayle | Unisex | American Names |
| Baylee | Unisex | English Names |
| Bayleigh | Woman | American Names |
| Baylor | Unisex | English Names |
| Bayou | Unisex | Native American - Choctaw Names |
| Bayram | Man | Turkish Names |
| Baz | Man | Polish Names |
| Bazyli | Man | Polish Names |