| Name | Meaning | Gender | Origin |
|---|
| Aj | | Unisex | Hebrew |
| Alex | Defending men | Unisex | Greek |
| Alfie | Wise counselor | Unisex | English |
| Angel | Messenger | Unisex | Greek |
| Aries | Battle strife | Unisex | Greek |
| Ashes | | Unisex | Hebrew |
| Atlas | Not enduring | Unisex | Greek |
| Axle | | Unisex | Hebrew |
| Babe | Baby | Unisex | American English |
| Baby | Baby | Unisex | American English |
| Bacchus | To shout | Unisex | Greek |
| Bandit | An outlaw or robber | Unisex | English |
| Barkley | | Unisex | Hebrew |
| Barnaby | Son of consolation | Unisex | Hebrew |
| Bb | | Unisex | Hebrew |
| Beamer | Trumpeter | Unisex | English |
| Beanie | | Unisex | Hebrew |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Unisex | English |
| Beauty | One that is beautiful, especially a woman | Unisex | English |
| Biggie | | Unisex | Hebrew |
| Billie | Will, desire and helmet, protection | Unisex | Germanic |
| Bingo | A game where numbers are drawn and announced by a caller | Unisex | English |
| Binky | | Unisex | Hebrew |
| Birdy | Birdlike | Unisex | English |
| Biscuit | A cookie or cracker | Unisex | English |
| Bitsy | | Unisex | Hebrew |
| Bj | | Unisex | Hebrew |
| Blackie | Of the colour black. | Unisex | English |
| Blaze | Stuttering | Unisex | Latin |
| Blondie | Pale yellowish-brown | Unisex | French |