| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Borisu | - | Medieval Slavic | ||
| Borivoi | - | Medieval Slavic | ||
| Borko | - | Croatian, Serbian, Macedonian | ||
| Borna | - | Croatian | ||
| Boro | - | Croatian, Serbian | ||
| Borya | - | Russian | ||
| Borys | BAW-ris (Polish) | Polish, Ukrainian | ||
| Bosede | - | Western African, Yoruba | ||
| Botond | - | Hungarian | ||
| Botros | - | Arabic, Coptic | ||
| Boudicca | BOO-di-kə (English) | Ancient Celtic | ||
| Boulos | - | Arabic | ||
| Boutros | - | Arabic, Coptic | ||
| Boyan | - | Bulgarian | ||
| Boyana | - | Bulgarian |