| Name | Meaning | Gender | Origin |
|---|
| Alley | A narrow street or passageway | Unisex | |
| Amigo | | Unisex | Hebrew |
| Apache | | Unisex | Hebrew |
| Baby | A young animal. An object or personal concern or indulgence | Unisex | |
| Baby Kitty | | Unisex | Hebrew |
| Baloo | | Unisex | Hebrew |
| Banshee | Female fairy spirit from Irish Gaelic folklore. | Unisex | |
| Batman | | Unisex | Hebrew |
| Benji | after the movie | Unisex | |
| Benny | Blessed Son Of My Right Hand | Unisex | English |
| Bently | | Unisex | Hebrew |
| Binx | black cat in the movie Hocus Pocus | Unisex | |
| Blackie | Of the colour black. | Unisex | |
| Boo Boo | | Unisex | Hebrew |
| BooBoo | | Unisex | Hebrew |
| Booger | | Unisex | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | |
| Bootsie | Collins Pussycat | Unisex | |
| Boy | A male child | Unisex | |
| Bruiser | A large heavyset man | Unisex | |
| 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 | |
| Butters | after the character in the South Park cartoons | Unisex | |
| Button | | Unisex | Hebrew |
| Cadbury | Brand of chocolate | Unisex | |
| Calli | California | Unisex | |