| 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 | |
| Boro | | - | Croatian, Serbian | |
| Branimir | | - | Croatian, Serbian, Bulgarian, Slovene | |
| Branimira | | - | Croatian, Serbian, Bulgarian | |
| Branislav | | - | Serbian, Slovak, Czech, Slovene, Croatian, Macedonian | |
| Branislava | | - | Serbian, Slovak, Czech, Slovene | |
| Branka | | - | Serbian, Croatian, Slovene | |
| Brankica | | - | Croatian, Serbian | |
| Branko | | - | Serbian, Croatian, Slovene, Slovak, Macedonian | |
| Bratislav | | - | Serbian | |
| Bratislava | | - | Serbian | |