| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Biago | Blaise | Latin | Italian | lisping | |
| Biel | Gabriel/Gabriele | Hebrew | Catalan | strong man of God, hero of God; God is my hero | |
| Bilal | Bilal | Arabic | Turkish, Arabic | wetting, satisfying thirst | |
| Bilel | Bilal | Arabic | Arabic | wetting, satisfying thirst | |
| Bill | William/Wilhelma | Old High German | English | Words: will, desire / helmet, protection | |
| Billal | Bilal | Arabic | Turkish, Arabic | wetting, satisfying thirst | |
| Billel | Bilal | Arabic | Arabic | wetting, satisfying thirst | |
| Billie | William/Wilhelma | Old High German | English | Words: will, desire / helmet, protection | |
| Billy | William/Wilhelma | Old High German | English | Words: will, desire / helmet, protection | |
| Bima | Bima | Sanskrit | Malay | Words: terrifying | |
| Bine | Bine | Unknown | Slovenian | | |
| Bintang | Bintang/Bintang | Malay | Malay | star | |
| Birger | Birger | Old Norse | German, Scandinavian | Words: mountain | |
| Birgir | Birger | Old Norse | Icelandic | Words: mountain | |
| Birk | Burkhard | Old High German | Scandinavian | Words: castle / brave, hardy | |
| Birkir | Birkir/Björk | Old Norse | Icelandic | birch tree | |
| Birnir | Bruno/Bruna | Old High German | Icelandic | Words: brown | |
| Bishop | Bishop | English | English | bishop | |
| Bjarki | Bjarki | Old Norse | Icelandic | little bear | |
| Bjarne | Bruno/Bruna | Old High German | Scandinavian | Words: brown | |
| Bjarni | Bruno/Bruna | Old High German | Icelandic | Words: brown | |
| Bjarte | Bjarte | Old Norse | Scandinavian | Words: bright | |
| Bjartur | Bjarte | Old Norse | Icelandic | Words: bright | |
| Bjorn | Bruno/Bruna | Old High German | English | Words: brown | #767 |
| Björn | Bruno/Bruna | Old High German | Scandinavian | Words: brown | |
| Bjørn | Bruno/Bruna | Old High German | Scandinavian | Words: brown | |
| Bjørnar | Bjørnar | Old Norse | Scandinavian | Words: bear | |
| Blaan | Blaine | Scottish | Scottish | Words: yellow | |
| Blain | Blaine | Scottish | English | Words: yellow | |
| Blaine | Blaine | Scottish | English | Words: yellow | |
| Blair | Blair/Blair | Scottish | English, Scottish | plain, field | |
| Blaise | Blaise | Latin | French | lisping | |
| Blake | Blake/Blake | Old English | English | Words: black / pale | #265 |
| Blas | Blaise | Latin | Spanish | lisping | |
| Blase | Blaise | Latin | English | lisping | |
| Blaz | Blaise | Latin | Slovenian | lisping | |
| Blaz | Blaise | Latin | Slavic | lisping | |
| Blaze | Blaise | Latin | English | lisping | #761 |
| Blazej | Blaise | Latin | Polish | lisping | |
| Bled | Bled | Unknown | Albanian | maybe pale | |
| Bledar | Bled | Unknown | Albanian | maybe pale | |
| Blerim | Blerim | Albanian | Albanian | the verdure | |
| Bo | Bo | Mandarin | Kanji symbol, Mandarin | wave, waves | |
| Bo | Boje | Old Norse | Scandinavian, English | Words: live, dwell | #451 |
| Boaz | Boaz | Hebrew | Dutch | maybe quick, quickness | |
| Bob | Robert/Roberta | Old High German | English | Words: fame / bright | |
| Bobbi | Robert/Roberta | Old High German | English | Words: fame / bright | |
| Bobbie | Robert/Roberta | Old High German | English | Words: fame / bright | |
| Bobby | Robert/Roberta | Old High German | English | Words: fame / bright | |
| Bode | Bodo | Old High German | English | messenger | #804 |
| Boden | Boden | Unknown | English | | #817 |
| Bodhi | Bodhi | Sanskrit | English | awakened | #302 |
| Bodie | Boden | Unknown | English | | #346 |
| Bodo | Bodo | Old High German | German | messenger | |
| Bodobert | Bodobert | Old High German | German | Words: ruler / bright / messenger | |
| Bogdan | Bogdan | Old Slavic | Polish, Russian | gift of God | |
| Bogumil | Bogumil/Bogumila | Old Slavic | Polish | Words: God / dear, gracious | |
| Bojan | Bojan/Bojana | Old Slavic | Czech | | |
| Boje | Boje | Old Norse | Scandinavian | Words: live, dwell | |
| Bokamoso | Bokamoso | Sesotho | Sesotho | future | |
| Boldizsár | Balthasar | Akkadian | Hungarian | | |
| Bolek | Boleslaw/Boleslawa | Old Slavic | Polish | great glory | |
| Boleslav | Boleslaw/Boleslawa | Old Slavic | Slavic | great glory | |
| Boleslaw | Boleslaw/Boleslawa | Old Slavic | Polish | great glory | |
| Bonaventura | Bonaventura | Italian | German, Italian | good fortune | |
| Bonaventure | Bonaventura | Italian | English | good fortune | |
| Bonifacio | Bonifatius | Latin | Portuguese, Spanish, Italian | Words: good | |
| Bonifatius | Bonifatius | Latin | German | Words: good | |
| Bonifaz | Bonifatius | Latin | German | Words: good | |
| Boone | Boone | Old French | English | good | #533 |
| Bor | Borislaw | Old Slavic | Slovenian | Words: fight / fame, glory, Slav | |
| Borchard | Burkhard | Old High German | German | Words: castle / brave, hardy | |
| Boris | Boris | Unknown | Bulgarian, Russian | maybe wolf | |
| Borislav | Borislaw | Old Slavic | Slovenian, Bulgarian, Russian | Words: fight / fame, glory, Slav | |
| Borislaw | Borislaw | Old Slavic | Slavic | Words: fight / fame, glory, Slav | |
| Borja | Borja | Spanish | Spanish | | |
| Börje | Birger | Old Norse | Scandinavian | Words: mountain | |
| Borna | Borna | Old Slavic | Serbo-Croatian | Words: fight | |
| Börries | Liborius | Latin | German | | |
| Borvin | Borwin | Old Slavic | Slavic | Words: fight | |
| Borwin | Borwin | Old Slavic | Slavic | Words: fight | |
| Borys | Boris | Unknown | Polish | maybe wolf | |
| Boston | Boston | Old English | English | | #627 |
| Botond | Botond | Unknown | Hungarian | | |
| Bowen | Bowen | Welsh | English | Words: son | #321 |
| Bowie | Bowie | English | English | | |
| Boyd | Boyd | Old Irish | English, Scottish | blond | |
| Bozhidar | Bozidar/Bozidara | Old Slavic | Bulgarian | Words: divine / gift | |
| Bozidar | Bozidar/Bozidara | Old Slavic | Czech | Words: divine / gift | |
| Bozydar | Bozidar/Bozidara | Old Slavic | Polish | Words: divine / gift | |
| Brad | Bradley | Old English | English | broad clearing | |
| Braden | Braden | Old Irish | English, Irish | descendant of Bradan | |
| Bradford | Bradford | Old English | English | broad ford | |
| Bradley | Bradley | Old English | English | broad clearing | #364 |
| Bradly | Bradley | Old English | English | broad clearing | |
| Brady | Brady | Old Irish | English, Irish | descendant of Brághadach | #309 |
| Bradyn | Braden | Old Irish | English | descendant of Bradan | |
| Braeden | Braden | Old Irish | English, Irish | descendant of Bradan | |
| Braedon | Braden | Old Irish | English | descendant of Bradan | |
| Braga | Bragi | Old Norse | Scandinavian | the best, the highest | |