| Name | Meaning | Gender | Origin |
|---|
| Blaze | Stuttering | Unisex | Latin |
| Bliss | Supreme happiness | Female | English |
| Blitz | | Unisex | Hebrew |
| Bob | Bright fame | Male | Germanic |
| Bobbi | Bright fame | Female | Germanic |
| Bobby | Bright fame | Unisex | Germanic |
| Bogey | | Unisex | Hebrew |
| Bongo | Connected drums played by beating with hands. | Unisex | English |
| Bonnie | Pretty | Female | English |
| Boris | Battle, fight | Male | Slavonic |
| Brandy | Burning wine | Female | English |
| Brooklyn | Uncertain, perhaps broken land | Unisex | Dutch |
| Bruno | Armour | Male | Germanic |
| Bubba | | Unisex | Hebrew |
| Bud | Brother. Nickname Used Since Medieval Times. | Male | English |
| Buddy | Herald | Male | 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 |
| Buster | One that breaks up something | Unisex | American English |
| Buttons | | Unisex | Hebrew |
| Buzz | To move quickly and busily, to bustle | Male | English |
| Caesar | Long Hair | Male | Latin |
| Cain | A spear | Male | Hebrew |
| Calico | Multi-Colored. | Unisex | English |
| Candy | Honest | Female | Latin |
| Carla | Man | Female | German |
| Casey | From Cayce | Male | American English |
| Cassie | She who entangles men | Female | Greek |
| Chance | Good fortune | Male | English |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |