| Name | Meaning | Gender | Origin |
| Bobby | Bright fame | Unisex | Germanic |
| Bongo | Connected drums played by beating with hands. | Unisex | English |
| Bonita | Pretty | Female | Spanish |
| Bonsai | The art of growing dwarfed ornamental trees and shrubs. | Unisex | English |
| Bootsy | | Unisex | Hebrew |
| Brandy | Burning wine | Female | English |
| Briar | Thorny plant | Unisex | English |
| Brittany | Land of the Britons | Female | English |
| Brogan | Shoe | Unisex | Gaelic |
| Bronwyn | White breast | Female | Welsh |
| Bruiser | A large heavyset man | Unisex | English |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Bug | An insect. A disease-producing microorganism. An error in coding or logic that causes a malfunction in a computer a program. An electronic listening device. An enthusiasm. Slang for annoy. | Unisex | 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 |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Buttons | | Unisex | Hebrew |
| Caitlyn | Pure | Female | Gaelic |
| Candy | Honest | Female | Latin |
| Carly | Free man | Female | German |
| Carmen | Garden | Female | Hebrew |
| Cassie | She who entangles men | Female | Greek |
| Celeste | Heavenly | Female | French |
| Chan | Nickname For John. | Unisex | English |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |
| Charlotte | Free man | Female | Germanic |
| Cheerio | Brand of breakfast cereal | Unisex | English |
| Chichi | Loving | Unisex | Korean |