| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 101 | Cidro | Spanish | Abbreviation of Isadoro 'strong gift.'. | M | |
| 102 | Cipriano | Spanish | From Cyprus. | M | |
| 103 | Cirilo | Spanish | Noble. | M | |
| 104 | Ciro | Spanish | Throne; sun. | M | |
| 105 | Cisco | Spanish | Frenchman. | M | |
| 106 | Claudio | Spanish | Lame. | M | |
| 107 | Clodoveo | Spanish | Famous warrior. | M | |
| 108 | Conrado | Spanish | Spanish form of Conrad 'able counsel'. | M | |
| 109 | Constantino | Spanish | Constant. | M | |
| 110 | Cordero | Spanish | Lamb. | M | |
| 111 | Cornelio | Spanish | Horn. | M | |
| 112 | Cortez | Spanish | Courteous. Variant of Curtis. The Spanish explorer and adventurer Cortez conquered the Aztec civilization of Mexico with only a small expeditionary force. | M | |
| 113 | Cris | Spanish | Variant abbreviation of Christopher and Christian. | M | |
| 114 | Cristian | Spanish | Follower of Christ; the Annointed. | M | |
| 115 | Cristiano | Spanish | Christian. | M | |
| 116 | Cristobal | Spanish | Spanish form of Christopher 'Christ bearer'. | M | |
| 117 | Cristofer | Spanish | With Christ inside. | M | |
| 118 | Cristofor | Spanish | With Christ inside. | M | |
| 119 | Criston | Spanish | Follower of Christ; the Annointed. | M | |
| 120 | Cristos | Spanish | Follower of Christ; the Annointed. | M | |