| Name | Meaning | Gender | Origin |
|---|
| Boxer | | Unisex | Hebrew |
| Bozo | A dunce or fool | Unisex | |
| Brad | English, wide meadow | Male | English |
| Bradley | broad meadow | Male | English |
| Bruce | thicket, woodlands | Male | Scottish |
| Bruno | Brown
| Male | |
| Bruno | Brown
| Male | |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Male | |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Male | |
| Bucky | | Unisex | Hebrew |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Male | |
| Buster | One that breaks up something | Male | Modern |
| Bustopher Jones | | Unisex | Hebrew |
| Butterscotch | | Male | Hebrew |
| Butthead | | Unisex | Hebrew |
| Buttons | | Male | Hebrew |
| Cactus | Cactus | Unisex | English |
| Cairo | City In Egypt | Male | English |
| Calamity Jane | | Unisex | Hebrew |
| Calypso | Greek for concealor. A type of music originating in the West Indies. Also a satellite of Saturn. | Male | Greek |
| Cameron | Clan name meaning Bent nose.
| Male | Scottish |
| Captain | One who commands or leads others. Officer in command of ship, aircraft, police or fire station. | Male | |
| Carter | cart driver | Male | English |