| Name | Meaning | Gender | Origin |
|---|
| Blaze | Stuttering | Unisex | Latin |
| Blinker | | Unisex | Hebrew |
| Blitz | | Unisex | Hebrew |
| Blizzard | Violent snowstorm | Unisex | English |
| Blondie | Pale yellowish-brown | Unisex | French |
| Boo | | Unisex | Hebrew |
| Bradley | Broad wood | Male | English |
| Bram | Father of a multitude or many nations | Male | Hebrew |
| Brett | A Breton | Male | English |
| Brewster | Brewer of beer | Male | English |
| Bright | | Unisex | Hebrew |
| Brooks | A brook, stream | Male | English |
| Brown | Brown | Male | English |
| Bubble | | Unisex | Hebrew |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Butter | | Unisex | Hebrew |
| Butterfinger | | Unisex | Hebrew |
| Butters | After the character in the South Park cartoons | Unisex | English |
| Buttons | | Unisex | Hebrew |
| Cade | Round, lumpy | Male | English |
| Candide | White | Unisex | Latin |
| Canute | Knot | Male | Norse |
| Casper | Treasurer | Male | Persian |
| Champagne | French region | Unisex | French |
| Chan | Nickname For John. | Unisex | English |
| Chas | Free man | Male | German |
| Checkers | | Unisex | Hebrew |
| Cheney | Oak wood | Male | French |
| Chino | A coarse twilled cotton, tan coloured material | Unisex | English |