| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Bojana | - | Slovene, Macedonian, Serbian, Croatian | ||
| Boris | bah-REES (Russian), BO-ris (German), BAWR-is (English) | Bulgarian, Russian, Slovene, Croatian, Serbian, Macedonian, Georgian, German, History | ||
| Borko | - | Croatian, Serbian, Macedonian | ||
| Bozhidar | - | Bulgarian, Macedonian, Medieval Slavic | ||
| Branislav | - | Serbian, Slovak, Czech, Slovene, Croatian, Macedonian | ||
| Branko | - | Serbian, Croatian, Slovene, Slovak, Macedonian |