| Name | Meaning | Gender | Origin |
|---|
| Bruce | Surname Since Medieval Times: Now A Common Given Name. Folklore Tale Of 14Th Century Robert King Of Scotland: (The Bruce) Who Learned The Value Of Perseverance From Watching A Spider Spin A Web. | Male | English |
| Bruiser | A large heavyset man | Unisex | English |
| Bruno | Armour | Male | Germanic |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Bubba | | Unisex | Hebrew |
| Buck | He-goat | Male | English |
| Buddy | Herald | Male | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Buster | One that breaks up something | Unisex | American English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Buttons | | Unisex | Hebrew |
| Caesar | Long Hair | Male | Latin |
| Cain | A spear | Male | Hebrew |
| Cairo | Victorious one | Unisex | Arabic |
| Capone | | Unisex | Hebrew |
| Captain | A captain | Unisex | English |
| Casey | From Cayce | Male | American English |
| Cash | Cash | Unisex | English |
| Casper | Treasurer | Male | Persian |
| Cassidy | Curly | Male | Gaelic |
| Cassius | Empty | Male | Latin |
| Chad | Defense | Male | English |
| Chance | Good fortune | Male | English |
| Chaos | Gaping void | Unisex | Greek |
| Charley | Free man | Unisex | German |
| Charlie | Free man | Unisex | Germanic |
| Checkers | | Unisex | Hebrew |
| Cherokee | People Of A Different Speech. One Of The Largest American Indian Tribes. | Unisex | English |
| Chief | One in highest rank or authority. | Unisex | English |
| Chubbs | Rounded and plump. | Unisex | English |