| Bonifatius | | - | Late Roman | |
| Bonifaz | | BO-nee-fahts | German | |
| Bonitus | | - | Late Roman | |
| BorÓKa | | - | Hungarian | |
| Bora (2) | | - | Albanian | |
| Bora (3) | | - | Korean | |
| BorbÁLa | | - | Hungarian | |
| Borghild | | - | Norwegian, Norse Mythology | |
| 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 | |
| Borislava | | bah-ree-SLAH-vah (Russian) | Bulgarian, Serbian, Russian | |
| Borko | | - | Croatian, Serbian, Macedonian | |
| Borna | | - | Croatian | |