| BohumÍR | | - | Czech, Slovak | |
| Bohumil | | - | Czech, Slovak | |
| Bohumila | | - | Czech | |
| Bohuslav | | bo-hoo-SLAHV (Ukrainian) | Czech, Slovak, Ukrainian | |
| Bohuslava | | bo-hoo-SLAH-vah (Ukrainian) | Czech, Ukrainian | |
| Boleslav | | - | Czech, Russian, Medieval Slavic | |
| Boleslava | | - | Czech (Rare), Russian (Rare) | |
| BonifÁC | | - | Czech, Hungarian | |
| Branislav | | - | Serbian, Slovak, Czech, Slovene, Croatian, Macedonian | |
| Branislava | | - | Serbian, Slovak, Czech, Slovene | |
| Bronislav | | brah-nee-SLAHF (Russian) | Czech, Slovak, Russian, Medieval Slavic | |
| Bronislava | | brah-nee-SLAH-vah (Russian) | Czech, Slovak, Russian | |