| Canon | Variant of Cannon: Church official. |
| Capucina | Inspired by the nasturtium flower. |
| Capucine | A French name for a hooded cloak. |
| Carel | A name meaning a free man or person. |
| Caress | A name meaning a tender touch of love. |
| Caressa | A name meaning a gentle, loving touch. |
| Caresse | Endearing: Tender touch. |
| Carina | Meaning a beloved or precious person. |
| Carine | A name meaning pure, dear, or beloved. |
| Carlo | A name meaning free man. |
| Carlos | A name meaning free man. |
| Carnation | Flesh - colored |
| Carola | Song of happiness |
| Carole | Song of happiness: joy. Feminine of Carl. |
| Caroline | Song of happiness |
| Carolos | A Greek name meaning free man. |
| Carolus | A Latin name meaning free man. |
| Carressa | A French name meaning caress. |
| Cassius | Protective cover |
| Cateline | Variant of Katherine meaning pure |
| Cayenne | A spicy and hot red chili pepper. |
| Cearbhall | A name meaning a fierce warrior. |
| Cecile | From the Latin Cecilia meaning blind. The blind St. Cecilie - patron saint of music - was a talented musician. |
| Cecille | From the Latin Cecilia meaning blind. The blind St. Cecilie - patron saint of music - was a talented musician. |
| Celesse | Derived from the Latin word for heavenly. |
| Celeste | Of the heavens or celestial in nature. |
| Celestia | Relating to the sky or heavenly realm. |
| Celestiel | A name meaning heavenly or divine. |
| Celestine | Pertaining to the heavenly bodies. |
| Celestyn | A variation meaning heavenly one. |
| Celestyna | Derived from the Latin word for heavenly. |
| Celie | Variant of Cecilia - blind |
| Celine | Variant of Celia or Selena. One of seven mythological daughters of Atlas transformed by Zeus into stars of the Pleiades constellation. |
| Cendrillon | A French name meaning little cinder. |
| Cera | Derived from the word for wax. |
| Cerise | Cherry: cherry red. |
| Chane | A name meaning oak tree. |
| Chanel | canal: channel. The popular perfume Chanel |
| Chanell | canal: channel. The popular perfume Chanel |
| Chanelle | canal: channel. The popular perfume Chanel |