| Name | Meaning | Gender | Origin |
| Bolt | | Unisex | Hebrew |
| Bonnie | Pretty | Female | English |
| Bonsai | The art of growing dwarfed ornamental trees and shrubs. | Unisex | English |
| Booker | A bleacher of cloth | Male | English |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Bradley | Broad wood | Male | English |
| Brady | Descendant of Brádach | Unisex | Gaelic |
| Britney | Originally The Ancient Duchy Of Bretagne In France. Celtic Bretons Emigrated From France To Become The Bretons Of England. | Female | English |
| Bruiser | A large heavyset man | Unisex | English |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buddy | Herald | Male | English |
| Bugsy | | Unisex | Hebrew |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Buster | One that breaks up something | Unisex | American English |
| Buzz | To move quickly and busily, to bustle | Male | English |
| Cadbury | Brand of chocolate | Unisex | English |
| Candy | Honest | Female | Latin |
| Caprice | Whim | Female | French |
| Cara | Friend | Female | Gaelic |
| Cash | Cash | Unisex | English |
| Casper | Treasurer | Male | Persian |
| Cassie | She who entangles men | Female | Greek |
| Chance | Good fortune | Male | English |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |
| Chewy | Needing chewing. | Unisex | English |
| Cheyenne | Speak incoherently | Female | American English |
| Chico | Boy | Male | Spanish |
| Chloe | Means | Female | English |