| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Blanch | BLANCH | English | ||
| Blanche | BLAWNSH (French), BLANCH (English) | French, English | ||
| Blanid | - | Irish | ||
| Blanka | BLAHN-kah (Czech, Slovak, Polish, Croatian), BLAWN-kaw (Hungarian) | Czech, Slovak, Polish, Hungarian, Croatian | ||
| Blas | BLAHS | Spanish | ||
| Blaze | BLAYZ | English (Modern) | ||
| Blazh | - | Medieval Slavic | ||
| Bleda | - | History | ||
| Bleddyn | BLEDH-in | Welsh | ||
| Blejan | - | Cornish | ||
| Blodeuwedd | - | Welsh, Welsh Mythology | ||
| Blodeuyn | - | Welsh | ||
| Blodwen | BLOD-wen | Welsh | ||
| Blondie | BLAHN-dee | English (Rare) | ||
| Blossom | BLAH-səm | English |