| Berto | | BER-to | Italian, Spanish | |
| Bethania | | - | Spanish, Biblical Latin, Biblical Greek | |
| Bibiana | | bee-BYAH-nah (Italian, Spanish) | Italian, Spanish, Late Roman | |
| Bienvenida | | byen-be-NEE-dhah | Spanish | |
| Blanca | | BLAHN-kah | Spanish | |
| Blas | | BLAHS | Spanish | |
| 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 | |
| CÁNdida | | KAHN-dhee-dhah | Spanish | |
| CÁNdido | | KAHN-dhee-dho | Spanish | |
| CÉSar | | THE-sahr (Spanish), SE-sahr (Latin American Spanish) | French, Spanish, Portuguese | |