| Bojidar | | - | Bulgarian | |
| 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 | |
| Boyan | | - | Bulgarian | |
| Boyana | | - | Bulgarian | |
| Boyka | | - | Bulgarian | |
| Boyko | | - | Bulgarian | |
| Bozhidar | | - | Bulgarian, Macedonian, Medieval Slavic | |
| Bozhidara | | - | Bulgarian | |
| Branimir | | - | Croatian, Serbian, Bulgarian, Slovene | |
| Branimira | | - | Croatian, Serbian, Bulgarian | |
| Chavdar | | - | Bulgarian | |
| Damyan | | - | Bulgarian | |
| Dana (3) | | - | Bulgarian, Macedonian | |