| Corbaleng | Spear, sharp point |
| Corbalengi | Spear, sharp point |
| Corbalengus | Spear, sharp point |
| Cornellis | Derived from Cornelius, meaning 'horn' or 'young male' |
| Correa | One who lives near a brook |
| Cors | Short form of names starting with 'Cor', meaning 'crow' or 'raven' |
| Cortel | Derived from Cortell, meaning 'short' or 'little' |
| Cossa | Derived from Cosma, meaning 'order' or 'harmony' |
| Cradelmas | Derived from Christmas, meaning 'festival of the birth of Christ' |
| Craeda | Derived from Crad, meaning 'love' or 'charity' |
| Craige | Dweller near a rocky crag |
| Crashaiou | Derived from Christ, meaning 'anointed one' |
| Crebba | Derived from Crebb, meaning 'ruler' or 'leader' |
| Credan | Derived from Creed, meaning 'faith' or 'belief' |
| Creoda | A name meaning to increase |
| Criddi | Derived from Cridd, meaning 'wise' or 'intelligent' |
| Croc | Derived from Crocus, meaning 'saffron' or 'yellow' |
| Crowford | Derived from Crow, meaning 'raven' or 'wise' |
| Crownwell | Derived from Crown, meaning 'royal' or 'regal' |
| Cryda | Derived from Cry, meaning 'weep' or 'lament' |
| Crympel | Derived from Crimp, meaning 'curl' or 'twist' |
| Cubele | Derived from Cub, meaning 'young boy' or 'cub' |
| Cuca | Derived from Cuckoo, meaning 'bird' or 'song' |
| Cuchein | Derived from Cuch, meaning 'hollow' or 'cave' |
| Cucola | Derived from Cuckoo, meaning 'bird' or 'song' |
| Cuda | Derived from Cuda, meaning 'fish' or 'sea creature' |
| Cudbert | Bright fame, or famous warrior |
| Cudbriht | Bright fame, or famous warrior |
| Cuddey | Son of the bright one |
| Cuddie | Son of the bright one |
| Cuelino | A name of ancient origin |
| Cufa | Battle, or warrior |
| Cufna | Battle, or warrior |
| Cugga | Battle, or warrior |
| Cuha | Battle, or warrior |
| Cuichelm | A helmet of living spirit |
| Cula | Battle, or warrior |
| Cumbra | Battle, or warrior |
| Cumma | Battle, or warrior |
| Cunacenni | Battle lord, or noble warrior |