| Baldwin | | BAWLD-win (English) | English, Ancient Germanic | |
| Basileios | | - | Ancient Greek | |
| Basilius | | - | Ancient Greek (Latinized) | |
| Baugulf | | - | Ancient Germanic | |
| Bel-Sarra-Usur | | - | Ancient Near Eastern | |
| Belshazzar | | - | Ancient Near Eastern, Biblical | |
| Berahthraban | | - | Ancient Germanic | |
| Berahthram | | - | Ancient Germanic | |
| Berard | | - | Ancient Germanic | |
| Berengar | | - | Ancient Germanic | |
| Berengaria | | - | Ancient Germanic (Latinized) | |
| Berenice | | bər-NEES (English), ber-ə-NEE-see (English), be-re-NEE-che (Italian) | English, Italian, Ancient Greek (Latinized) | |
| Berenike | | - | Ancient Greek | |
| BergljÓT | | - | Ancient Scandinavian, Icelandic | |
| Berhta | | - | Ancient Germanic | |