| Bless | - | English Name | Blessie | - | Spanish Name |
| Blessing | - | English Name | 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 | - | English Name |
| Blythe | - | Anglo Name | Bo | - | American Name |
| Bo | - | Slavic 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 | - | Russian Name | Bogdan | - | Ukrainian Name |
| BOGDANA | - | Russian Name | Boghos | - | Armenian Name |
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