| Bleu | - | French Name | Bliant | - | Arthurian Name |
| Blima | - | Hebrew Name | Bliss | - | Anglo Name |
| Blossom | - | English Name | Blu | - | English Name |
| Blue | - | American Name | Bluebell | - | English Name |
| Bluma | - | Australian Name | Bly | - | American Name |
| Blythe | - | Anglo Name | Blythe | - | English Name |
| Bo | - | Slavic Name | Bo | - | Chinese Name |
| Boadicea | - | Anglo Name | Boanerges | - | Biblical Name |
| Boaz | - | Hebrew Name | Boaz, or Booz | - | Biblical Name |
| Bob | - | German Name | Bobbi | - | American Name |
| Bobbie | - | English Name | Bobby | - | American Name |
| Bobo | - | African Name | Bocheru | - | Biblical Name |
| Bochim | - | Biblical Name | Bodaway | - | American Name |
| Bode | - | German Name | Boden | - | Anglo Name |
| Bodgan | - | Romanian Name | Bodhan | - | Indian Name |
| Bodhi | - | Sanskrit Name | Bodi | - | Hungarian Name |
| Bodiccea | - | Anglo Name | Bodicea | - | Anglo Name |
| Bodicia | - | Anglo Name | Bodie | - | Scandinavian Name |
| Bodil | - | Danish Name | Bodwyn | - | Arthurian Name |
| Bogart | - | French Name | Bogdan | - | Ukrainian Name |
| BOGDAN | - | Russian Name | BOGDANA | - | Russian Name |
| Boghos | - | Armenian Name | Bohan | - | Biblical Name |
| Bohdan | - | Ukrainian Name | Bohdana | - | Russian Name |
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