| Blaine | Unisex | Scottish Names |
| Blair | Unisex | Scottish Names |
| Blaise | Unisex | French Names |
| Blake | Unisex | English Names |
| Blakely | Unisex | English Names |
| Blakeney | Unisex | English Names |
| Blanca | Woman | Spanish Names |
| Blanchard | Unisex | French Names |
| Blanche | Woman | French Names |
| Blandyna | Woman | Polish Names |
| Blanket | Unisex | American Names |
| Blaton | Man | French Names |
| Blaze | Unisex | English Names |
| Blenda | Woman | Latin Names |
| Blessing | Woman | English Names |
| Bleta | Woman | Albanian Names |
| Bliss | Unisex | English Names |
| Blissany | Woman | American Names |
| Blithe | Woman | English Names |
| Blodwyn | Woman | Welsh Names |