| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| BonifÁC | - | Czech, Hungarian | ||
| Bonifaas | - | Dutch | ||
| Boniface | BAWN-ə-fays (English), BAWN-ə-fəs (English) | French, English (Rare) | ||
| Boos | - | Biblical Greek | ||
| Booz | - | Biblical Latin | ||
| Borghildr | - | Ancient Scandinavian, Norse Mythology | ||
| Borghildur | - | Icelandic | ||
| Boris | bah-REES (Russian), BO-ris (German), BAWR-is (English) | Bulgarian, Russian, Slovene, Croatian, Serbian, Macedonian, Georgian, German, History | ||
| Borislav | bah-ree-SLAHF (Russian) | Bulgarian, Serbian, Croatian, Slovene, Russian, Medieval Slavic | ||
| Borisu | - | Medieval Slavic | ||
| Borivoi | - | Medieval Slavic | ||
| Borko | - | Croatian, Serbian, Macedonian | ||
| Borna | - | Croatian | ||
| Boro | - | Croatian, Serbian | ||
| Bosede | - | Western African, Yoruba |