| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 241 | Casimiro | Spanish | Peaceful. | M | |
| 242 | Casta | Spanish | Pure. | F | |
| 243 | Catalina | Spanish | Pure. | F | |
| 244 | Cedro | Spanish | Abbreviation of Isadoro 'strong gift.'. | M | |
| 245 | Celesta | Spanish | Heavenly. | F | |
| 246 | Celestina | Spanish | Heavenly. | F | |
| 247 | Cenobia | Spanish | Spanish form of Zenobia: born of Zeus. | F | |
| 248 | Cenon | Spanish | Receiver of life from Zeus. | M | |
| 249 | Ceri | Spanish | Variant of Cyril. | F | |
| 250 | Ceria | Spanish | Variant of Cyril. | F | |
| 251 | Cesar | Spanish | Long haired. | M | |
| 252 | Cesara | Spanish | Long haired. | F | |
| 253 | Cesario | Spanish | Variant of Caesar. | M | |
| 254 | Cesaro | Spanish | Long haired. | M | |
| 255 | Chago | Spanish | Heel. | M | |
| 256 | Chalina | Spanish | Form of Rosa. | F | |
| 257 | Chan | Spanish | Nickname for John. | M | |
| 258 | Chango | Spanish | Variant of Chago: Heel. | M | |
| 259 | Chano | Spanish | Abbreviations for names ending in '-ano' and '-rio.' Chan: (Chinese) family name. | M | |
| 260 | Chanti | Spanish | Supplanter. | M | |