| Caullin | Derived from the Gaelic surname 'Caulin' or 'Caulin', possibly meaning 'slender' or 'fair-haired'. |
| Caydenn | One who is round; of the cask |
| Caydnn | Caydnn is a variant of Cayden, meaning 'fire' or 'fiery one' with a strong, bold connotation. |
| Caydran | Caydran is a variant of Cadrian, derived from the Latin 'cadere,' meaning 'to fall' or 'to descend.' |
| Caydren | Caydren is a variant of Cadren, derived from the Gaelic word 'cad,' meaning battle or war. |
| Cayetano | Cayetano is a Spanish surname meaning 'from the place of the hawk' or 'hawk's place'. |
| Cayne | Battle; Fighter |
| Cayson | Cayson means 'bringer of victory' or 'victorious warrior' and is of English and Scottish origin. |
| Ceeley | Ceeley is a variant of Cecily, derived from the Latin name Caecilia, meaning 'blind' or 'heavenly'. |
| Cees | A Dutch name meaning horn or strength. |
| Ceili | Gathering of friends, typically for music, dance, and socializing, often with traditional Irish music and food. |
| Ceiriog | Ceiriog is a Welsh name meaning 'hollow' or 'valley' derived from the Old Welsh word 'ceir' meaning 'hollow' or 'cave'. |
| Ceiro | Cairo is a city in Egypt, but 'ceiro' is likely a variant of 'cairo' or a surname with unclear meaning. |
| Cejay | Cejay is a variant of Casey, derived from the Gaelic name 'Cathasaigh,' meaning 'bringer of victory.' |
| Celestino | Celestino means heavenly or celestial, derived from the Latin word 'coelestis', meaning heavenly or sky. |
| Celso | A name meaning high or noble in rank. |
| Celt | Celt refers to a member of the ancient Indo-European speaking peoples of Europe, particularly in the British Isles. |
| Cem | The one who rules |
| Cemil | A Turkish name meaning beautiful one. |
| Cenk | A Turkish name meaning battle or war. |
| Cenobio | A community of monks living together under a common rule and governance. |
| Cenweard | Cenweard means 'battle warrior' or 'warrior of battle' in Old English. |
| Cephus | Cephus is a Latin name meaning 'hollow' or 'empty', possibly derived from the Greek word 'kephos'. |
| Cereal | From Latin 'cerealis', meaning 'of or from Ceres', the Roman goddess of agriculture and grain. |
| Cessar | Derived from the Latin for hairy. |
| Cetin | Turkish name meaning 'rocky' or 'stony', also referring to a rocky or mountainous terrain. |
| Ceyhun | Ceyhun is a Turkish name meaning 'lion' or 'bringer of good fortune' and symbolizing strength and courage. |
| Cezanne | Derived from the French surname 'Cézanne', meaning 'from the castle' or 'castle dweller'. |
| Chabuk | A Persian term meaning a whip. |
| Chadda | A surname meaning a warrior clan. |
| Chaddrick | One who is warlike |
| Chadler | One who makes or sells candles. |
| Chadley | From the meadow of the warrior. |
| Chadli | A name meaning one who is wise. |
| Chadlin | A meadow near the river bank. |
| Chadly | From the warriors open field. |
| Chadman | A man from the warriors land. |
| Chado | The traditional Japanese tea way. |
| Chadracharya | A teacher of the moon. |
| Chadron | A name meaning sharp stone. |