| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| BLASIUS | - | Ancient Roman | ||
| BLAZE | BLAYZ | English (Modern) | ||
| BLAZH | - | Medieval Slavic | ||
| BLAZHE | - | Macedonian | ||
| BLEDA | - | History | ||
| BLEDDYN | BLEDH-in | Welsh | ||
| Bledsoe | ['bledsəu] | |||
| BLEJAN | - | Cornish | ||
| BLERTA | BLER-tah | Albanian | ||
| Blevins | ['blevinz] | |||
| Bliss | [blis] | |||
| BLODEUWEDD | - | Welsh, Welsh Mythology | ||
| BLODEUYN | - | Welsh | ||
| BLODWEN | BLOD-wen | Welsh | ||
| BLONDIE | BLAHN-dee | English (Rare) |