| Cincinnatus | A person with curly hair |
| Ciprian | Derived from the Latin name Cyprianus, meaning 'from Cyprus' or 'Cyprus-born'. |
| Ciriaco | Ciriaco is a masculine given name of Italian origin, meaning 'pure' or 'chaste'. |
| Cirroc | Cirroc is a variant of Cirrus, derived from Latin, meaning 'frost' or 'ice'. |
| Claes | Peoples triumph |
| Claren | Claren is a variant of Clare, meaning 'clear' or 'bright' in Irish and Latin origins. |
| Claudiu | Derived from Latin 'Claudius,' meaning 'lame' or 'weak,' possibly referring to a physical disability. |
| Clell | Clell is a shortened form of the name Clellon, derived from the name Clellon, meaning 'warrior' or 'battle'. |
| Clellan | Clellan is a variant of Celan, derived from the Gaelic word 'ceallach,' meaning 'slender' or 'fair-haired'. |
| Clemeth | A mild and merciful person |
| Cleofas | Cleofas is a Greek name meaning 'glory of the people' or 'glory of the assembly'. |
| Clete | Diminutive form of Cleatus, derived from Greek 'kleitos,' meaning 'famous' or 'renowned'. |
| Cleto | Cleto is a shortened form of Cleto, derived from the Latin name Cleto, meaning 'glory' or 'famous'. |
| Cloyd | Cloyd is a surname of Welsh origin, meaning 'cloud' or 'fog' derived from the name Clodwig. |
| Clunie | Clunie is a Scottish surname derived from the Gaelic 'Cluanaidh' meaning 'narrow valley' or 'narrow glen'. |
| Clyce | Clyce is a variant of Clive, derived from the Old English name 'Cleofa' meaning 'victory of the people'. |
| Coalfield | An area where coal is mined or extracted from the earth. |
| Coastal | Relating to or situated near a coastline, especially a region or area bordering the sea. |
| Cobalt | Cobalt is derived from the German word 'Kobalt', meaning 'goblin' or 'evil spirit', named after its bright blue color. |
| Cobar | Cobar is a town in New South Wales, Australia, and its name is derived from the local Aboriginal word for 'red earth'. |
| Cobee | Cobee is a variant of Cobie, derived from the Hebrew name 'Kobi,' meaning 'heart' or 'rejoice.' |
| Cobi | May God protect this person |
| Cobus | Following after |
| Coda | A concluding section or passage, especially in music, often a final section or movement. |
| Coddy | One who is helpful; a wealthy man; acting as a cushion |
| Codrut | Codrut is a Romanian name derived from 'codru', meaning 'forest' or 'woodland', likely referring to a place or origin. |
| Coke | Coke is a shortened form of the name Coca, derived from the Kichwa word 'koka', meaning 'bitter'. |
| Colben | Colben is a variant of Colbert, derived from the Old French 'colbert,' meaning 'dark-haired' or 'swarthy.' |
| Coleridge | Derived from Old English 'col' meaning charcoal and 'eridge' meaning ridge or hill, possibly referring to a dark-haired person. |
| Coleton | Colleton is a surname of English origin, derived from the Old English words 'col' meaning coal and 'tun' meaning settlement. |
| Collison | A collision is a sudden impact or crash between two or more objects. |
| Colombo | Derived from the Latin word for dove. |
| Colonel Bobert | Colonel is a military rank, Bobert is a surname, likely a humorous or fictional name combination. |
| Colsen | Colsen is a variant of Colson, derived from the Old French 'col' meaning 'dwarf' or 'strong'. |
| Coltan | A form of colton |
| Conall Cernach | Mythical Ulster chieftain. |
| Coney | A nickname for a rabbit, possibly derived from the Old English word 'cunig,' meaning rabbit or hare. |
| Cong Min | Means clever, bright, or intelligent. |
| Conifer | A conifer is a type of evergreen tree or shrub that produces cones and seeds. |
| Connar | Strong wolf, warrior, or fierce protector, derived from the Gaelic name Connor. |