| Name | Meaning | Gender | Origin |
|---|
| Bonnie | Pretty | Female | English |
| Boo | | Unisex | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Bowen | Son of Owen | Male | Welsh |
| Brady | Descendant of Brádach | Unisex | Gaelic |
| Brie | The exalted one | Female | Gaelic |
| Brody | Muddy place | Male | Gaelic |
| Brooklyn | Uncertain, perhaps broken land | Unisex | Dutch |
| Bruce | Surname Since Medieval Times: Now A Common Given Name. Folklore Tale Of 14Th Century Robert King Of Scotland: (The Bruce) Who Learned The Value Of Perseverance From Watching A Spider Spin A Web. | Male | English |
| Bruiser | A large heavyset man | Unisex | English |
| Bruno | Armour | Male | Germanic |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Bubba | | Unisex | Hebrew |
| Buddy | Herald | Male | English |
| Burrito | A flour tortilla wrapped around a filing of beef, beans or cheese | Unisex | English |
| Buster | One that breaks up something | Unisex | American English |
| Butterfinger | | Unisex | Hebrew |
| Buzz | To move quickly and busily, to bustle | Male | English |
| Calamity | | Unisex | Hebrew |
| Callie | Most beautiful | Female | Greek |
| Carlie | Free man | Female | German |
| Carter | Transporter of materials | Male | English |
| Casey | From Cayce | Male | American English |
| Cash | Cash | Unisex | English |
| Chance | Good fortune | Male | English |
| Chanel | Channel, pipe | Female | French |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |
| Charlotte | Free man | Female | Germanic |
| Chase | Huntsman | Male | English |