| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| BolÍVar | - | Spanish (Latin American) | ||
| Bonifacio | bo-nee-FAH-cho (Italian), bo-nee-FAH-thyo (Spanish), bo-nee-FAH-syo (Latin American Spanish) | Italian, Spanish, Portuguese | ||
| Brigida | - | Italian, Spanish | ||
| Brunilda | broo-NEEL-dah (Spanish) | Spanish, Italian, Portuguese | ||
| Bruno | BROO-no (German), BRUW-naw (Polish) | German, Italian, Spanish, Portuguese, French, Croatian, Polish, Ancient Germanic | ||
| Buenaventura | bwe-nah-ven-TOOR-ah | Spanish |