| Buciac | - | Czechoslovakian Name | Buck | - | American Name |
| Bud | - | English Name | Buddadeva | - | Indian Name |
| Buddhadev | - | Indian Name | Buddhadeva | - | Indian Name |
| Buddhapriya | - | Indian Name | Buddy | - | American Name |
| Budhil | - | Indian Name | Budi | - | Indonesian Name |
| Bukka | - | Indian Name | Bukki | - | Biblical Name |
| Bukkiah | - | Biblical Name | Bul | - | Biblical Name |
| Bulhut | - | Muslim Name | Bumaq | - | Eskimo Name |
| Bumin | - | Turkish Name | Bunah | - | Biblical Name |
| Buniq | - | Eskimo Name | Bunmi | - | Cameroon Name |
| Bunni | - | Biblical Name | Burak | - | Muslim Name |
| Buran | - | Eskimo Name | Burayd | - | Muslim Name |
| Burgess | - | West Indies Name | Burhaan | - | Muslim Name |
| Burhan | - | Muslim Name | Burian | - | Slavic Name |
| Buriq | - | Eskimo Name | Burke | - | French Name |
| Burnu | - | Aborigin Name | Burnum | - | Aborigin Name |
| Burr | - | English Name | Burton | - | English Name |
| Busaq | - | Eskimo Name | Busiris | - | African Name |
| Butrus | - | Algerian Name | Buuluk | - | Eskimo Name |
| Buz | - | Biblical Name | Bwalya | - | Cameroon Name |
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