| Balbinus | | - | Ancient Roman | |
| Balbus | | - | Ancient Roman | |
| Baptista | | - | Late Roman | |
| Beata | | be-AH-tah (Polish, German) | Polish, German, Swedish, Norwegian, Danish, Late Roman | |
| Beatrix | | BE-ah-triks (German), BAY-ah-triks (Dutch), BEE-ə-triks (English) | German, Hungarian, Dutch, English (Rare), Late Roman | |
| Beatus | | - | Late Roman | |
| Bedivere | | - | Welsh Mythology, Arthurian Romance | |
| Bedwyr | | BED-wir (Welsh) | Welsh, Welsh Mythology, Arthurian Romance | |
| Bellona | | bə-LON-ə (English) | Roman Mythology | |
| Benedicta | | - | Late Roman | |
| Benedictus | | bay-nə-DIK-tus (Dutch) | Late Roman, Dutch | |
| Beniamin | | - | Romanian, Biblical Latin, Biblical Greek | |
| Benigna | | - | Spanish, Italian, Portuguese, Late Roman | |
| Benignus | | - | Late Roman | |
| Bianca | | BYAHN-kah (Romanian) | Italian, Romanian | |