| Carrolyn | Joyous song; a small; strong woman |
| Carrow | Carrow is a surname of Irish origin, meaning 'little castle' or 'fortress'. |
| Carry | From the river; from the fort on the hill; having dark features |
| Carvay | Carvay is a variant of Carvey, derived from the French surname 'Carvet,' meaning 'to carve' or 'woodcutter'. |
| Caryse | A name meaning beloved one. |
| Caryss | One who loves and is loved |
| Carysse | A name meaning beloved one. |
| Casanova | Italian nobleman Giacomo Casanova, known for his numerous love affairs and amorous exploits, the name refers to a charming, seductive, and unfaithful lover. |
| Cashmere | Soft, fine wool obtained from the undercoat of the cashmere goat, native to the Himalayan region. |
| Cashton | Cashton is a variant of Cashton, derived from the Old English words 'cæs' meaning 'brilliant' and 'tun' meaning 'settlement'. |
| Casimer | Casimer is a variant of Casimir, derived from Polish 'Kazimierz', meaning 'keeper of peace'. |
| Casmir | Keeper or destroyer of peace |
| Cassander | Cassander means 'hollow' or 'empty' in Greek, possibly derived from the word 'kassos', meaning hollow. |
| Cassee | A name meaning pure or holy. |
| Cassel | Cassel is a surname of French origin, derived from the Old French word 'cassel,' meaning 'castle' or 'fortress'. |
| Cassini | Italian surname derived from Cassino, a town in Lazio, Italy, meaning 'hollow' or 'valley'. |
| Casson | Derived from a surname meaning hollow. |
| Castiel | Heavenly or celestial being, a guardian angel, or a heavenly messenger. |
| Castillon | French surname derived from the place name Castillon, meaning 'castle on a hill'. |
| Caswyn | Caswyn is a Welsh name meaning 'battle' or 'warrior' and also associated with 'hollow' or 'valley'. |
| Catarino | Italian surname derived from the Latin 'catharinus,' meaning pure or chaste. |
| Cathrynn | One who is pure; virginal |
| Catie | A form of katie |
| Catina | A form of katina |
| 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. |
| Cecellia | One who is blind; patron saint of music |
| Cecilly | One who is blind; patron |
| 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. |
| Ceicelia | A variant meaning blind or heavenly. |
| Ceiceliah | A unique form meaning blind or wise. |
| 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'. |