| Name | Meaning | Gender | Origin |
|---|
| Burton | Fort town | Male | English |
| Buster | One that breaks up something | Unisex | American English |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Butters | After the character in the South Park cartoons | Unisex | English |
| Buttons | | Unisex | Hebrew |
| Buzz | To move quickly and busily, to bustle | Male | English |
| Caesar | Long Hair | Male | Latin |
| Cairo | Victorious one | Unisex | Arabic |
| Calla | Beautiful | Female | Greek |
| Calypso | Conceal | Female | Greek |
| Cameo | Delicate,carved relief | Unisex | English |
| Cannon | Canon | Male | English |
| Capone | | Unisex | Hebrew |
| Captain | A captain | Unisex | English |
| Cara | Friend | Female | Gaelic |
| Carlton | Peasants' town | Male | English |
| Carly | Free man | Female | German |
| Carson | Son Of Carr | Male | Gaelic |
| Carver | Carver | Male | English |
| Casey | From Cayce | Male | American English |
| Cash | Cash | Unisex | English |
| Cassius | Empty | Male | Latin |
| Castor | Beaver | Unisex | Greek |
| Cera | From seraphim, meaning fiery ones. | Unisex | Latin |
| Chalupa | | Unisex | Hebrew |
| Chance | Good fortune | Male | English |
| Chaos | Gaping void | Unisex | Greek |
| Charisma | Charm, appeal | Female | English |
| Charity | Charity | Female | English |
| Charles | Free man | Male | Germanic |