| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Bia | - | Portuguese | ||
| Bonifacio | bo-nee-FAH-cho (Italian), bo-nee-FAH-thyo (Spanish), bo-nee-FAH-syo (Latin American Spanish) | Italian, Spanish, Portuguese | ||
| BrÁS | - | Portuguese | ||
| BrÍGida | - | Portuguese | ||
| Branca | BRAN-ka (Galician) | Portuguese, Galician | ||
| Breno | - | Portuguese | ||
| Bruna | - | Italian, Portuguese, Croatian | ||
| Brunilda | broo-NEEL-dah (Spanish) | Spanish, Italian, Portuguese | ||
| Bruno | BROO-no (German), BRUW-naw (Polish) | German, Italian, Spanish, Portuguese, French, Croatian, Polish, Ancient Germanic |