| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Borisu | - | Medieval Slavic | ||
| Borivoi | - | Medieval Slavic | ||
| Borko | - | Croatian, Serbian, Macedonian | ||
| Boro | - | Croatian, Serbian | ||
| Borut | - | Slovene | ||
| Borya | - | Russian | ||
| Borys | BAW-ris (Polish) | Polish, Ukrainian | ||
| Bosede | - | Western African, Yoruba | ||
| Bosse | - | Swedish | ||
| Boyce | BOIS | English | ||
| Boyd | BOID (English) | Scottish, English | ||
| Bozhena | - | Medieval Slavic | ||
| Bozhidar | - | Bulgarian, Macedonian, Medieval Slavic | ||
| Bozho | - | Medieval Slavic | ||
| BrÁDach | - | Irish |