| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Berto | BER-to | Italian, Spanish | ||
| Bertoldo | - | Italian | ||
| Bertrando | - | Italian | ||
| Bettina (2) | bet-TEE-nah | Italian | ||
| Bettino | bet-TEE-no | Italian | ||
| Biaggio | - | Italian (Rare) | ||
| Biagino | - | Italian | ||
| Biagio | - | Italian | ||
| Bianca | BYAHN-kah (Romanian) | Italian, Romanian | ||
| Bibiana | bee-BYAH-nah (Italian, Spanish) | Italian, Spanish, Late Roman | ||
| Bice | BEE-che | Italian | ||
| Bonaccorso | - | Italian | ||
| Bonaventura | bo-nah-ven-TOO-rah | Italian | ||
| Bonifacio | bo-nee-FAH-cho (Italian), bo-nee-FAH-thyo (Spanish), bo-nee-FAH-syo (Latin American Spanish) | Italian, Spanish, Portuguese | ||
| Brigida | - | Italian, Spanish |