| Gender | Baby Name | Meaning |
|---|---|---|
 | Claudio | Lame |
| Claus | Victory of the People |
| Cleatus | Illustrious |
| Cleavant | A Steep Bank |
| Cleave | A steep bank |
| Cleavon | Merciful |
| Cledwyn | Hard and fair |
| Clem | Gentle and merciful |
 | Clemency | Mercy |
| Clemens | Mercy |
| Clement | Gentle; merciful |
| Cleon | Glory |
| Cleveland | From the hilly land |
| Clifford | Ford near the cliff |
| Clifton | From a Town near a Cliff |
| Clint | Fair |
| Clinton | Fair |
| Clive | Cliff dweller |
| Clovis | Famous warrior |
| Clyde | Scottish river name |
| Coby | Supplanter |
| Cochise | Hardwood |
| Cody | Pillow |
| Coe | Jackdaw Bird |
| Coen | Brave |
| Cohen | High priest |
| Colby | Coal town |
| Cole | Victory of the people |
| Coleman | Dark skinned |
| Colin | Young pup |
