| Name | Meaning | Gender | Origin |
|---|
| Blizzard | Violent snowstorm | Unisex | English |
| Blondie | Pale yellowish-brown | Unisex | French |
| Bongo | Connected drums played by beating with hands. | Unisex | English |
| Bonsai | The art of growing dwarfed ornamental trees and shrubs. | Unisex | English |
| Boo | | Unisex | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Boots | | Unisex | Hebrew |
| Brownie | Moist chocolate cake with nuts | Unisex | English |
| Bruiser | A large heavyset man | Unisex | English |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buckwheat | | Unisex | Hebrew |
| Bucky | | Unisex | Hebrew |
| 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 |
| Buster | One that breaks up something | Unisex | American English |
| Butter | | Unisex | Hebrew |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Butterscotch | | Unisex | Hebrew |
| Cadbury | Brand of chocolate | Unisex | English |
| Cami | Pet form of Camilla | Unisex | English |
| Caramel | A smooth chewy candy | Unisex | English |
| Cash | Cash | Unisex | English |
| Cha-cha | | Unisex | Hebrew |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |
| Cheerio | Brand of breakfast cereal | Unisex | English |
| Chevy | Knight | Unisex | French |
| Chewy | Needing chewing. | Unisex | English |
| Chica | Pet Name Meaning Little Girl. | Unisex | English |
| Chicklet | | Unisex | Hebrew |