| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| BoŻEna | baw-ZHE-nah | Polish | ||
| BoŻYdar | baw-ZHI-dahr | Polish | ||
| Bogdan | BAWG-dahn (Polish), BOG-dahn (Serbian, Croatian), bog-DAHN (Romanian) | Polish, Russian, Slovene, Bulgarian, Serbian, Croatian, Macedonian, Romanian, Medieval Slavic | ||
| Bogdana | bawg-DAH-nah (Polish) | Polish, Russian, Slovene, Bulgarian, Serbian, Macedonian, Romanian, Medieval Slavic | ||
| Bogna | BAWG-nah | Polish | ||
| BogumiŁ | baw-GUW-meew | Polish | ||
| BogumiŁA | baw-guw-MEE-wah | Polish | ||
| BogusŁAw | baw-GUW-swahf | Polish | ||
| BogusŁAwa | baw-guw-SWAH-vah | Polish | ||
| Bolek | BAW-lek | Polish | ||
| BolesŁAw | baw-LE-swahf | Polish | ||
| BolesŁAwa | baw-le-SWAH-vah | Polish (Rare) | ||
| Bonifacy | baw-nee-FAH-tsi | Polish | ||
| Borys | BAW-ris (Polish) | Polish, Ukrainian | ||
| BratumiŁ | brah-TUW-meew | Polish (Rare) |