| Name | Meaning | Gender | Origin |
|---|
| Abraham | Meaniing Father of a multitude Abraham the first of the Old Testament patriarchs. God changed it from Abram when He appointed him to be the father of the Hebrew nation.
| Male | Hebrew |
| Andy | Greek, "strong and manly" | Male | English |
| Angus | superb, unique | Male | Anglicized |
| Artemis | moon | Male | Greek |
| Arthur | Strong as a rock, noble, follower of Thor | Male | Celtic |
| Asparagus | | Unisex | Hebrew |
| Austin | From Augustine - Exalted one | Male | English |
| Azrael | help of God | Male | Hebrew |
| Baby | A young animal. An object or personal concern or indulgence | Unisex | |
| Baggage | | Unisex | Hebrew |
| Bast | Of The City Of Bubastis | Unisex | African |
| Bastet | Egyptian cat-goddess | Unisex | |
| Beeswax | | Unisex | Hebrew |
| Benny | Blessed Son Of My Right Hand | Unisex | English |
| Berlioz | after a kitten in the movie Aristocats | Male | |
| Bigglesworth | | Unisex | Hebrew |
| Bill The Cat | | Unisex | Hebrew |
| Bimbo | | Unisex | Hebrew |
| Binks | black cat in the movie Hocus Pocus | Unisex | |
| Binky | | Unisex | Hebrew |
| Binx | black cat in the movie Hocus Pocus | Unisex | |
| Biscuit | A cookie or cracker | Unisex | |
| Bismark | | Unisex | Hebrew |
| Blackie | Of the colour black. | Unisex | |
| Blackjack | A leather covered hand weapon. A card game | Unisex | |