| Cactus | The Cactus Plant |
| Camerin | A crooked or bent nose shape. |
| Cap | A short form of the name Captain. |
| Carlester | A variant of the name Charles. |
| Cartier | One who Drives Cart |
| Cartrell | A name of Old French origin. |
| Carvin | A variant of the name Carvin, possibly derived from the Old English word 'ceorfan,' meaning spear. |
| Casim | The Person who Distributes |
| Cason | Son of the righteous or pure one. |
| Castulo | Derived from a Roman saint name. |
| Catahecassa | Black Hoof, a Shawnee leader. |
| Catfish | A type of fish, often used as a metaphor for someone who is deceitful or manipulative. |
| Ceaser | He who was Cut out of the Womb |
| Ceejay | Letters C Plus J |
| Chachi | A term of endearment, often used to refer to a younger sibling or close friend. |
| Chacko | A surname of Indian origin, possibly derived from the word 'chak,' meaning wheel. |
| Chalo | A Hindi word meaning 'let's go' or 'come on,' often used as a phrase of encouragement. |
| Ched | A variant of the name Chad, possibly derived from the Old English word 'ceadd,' meaning battle. |
| Cheech | Diminutive form of Charles, meaning 'free man' |
| Cheetah | Fast and agile, referring to the big cat |
| Cheick | West African variant of Cheick, meaning 'noble' |
| Chelton | From the farm near the river. |
| Cheo | Korean name meaning 'bright' or 'clear' |
| Chic | Stylish and elegant in appearance. |
| Chicago | Derived from the wild garlic plant. |
| Chijindu | God is the Owner of Life |
| Chil | A name meaning cold or chilly air. |
| Chillee | One who is Cold |
| Chips | Thin slices of fried potato or other food |
| Chiqui | A term meaning small or little one. |
| Chistopher | Greek name meaning 'bearing Christ' |
| Cholo | Spanish term for a working-class person |
| Chon | Korean name meaning 'wise' or 'intelligent' |
| Chopper | Tool for cutting or a motorcycle |
| Choy | Chinese name meaning 'auspicious' or 'lucky' |
| Christon | Variant of Christian |
| Christoper | One who carries Christ in heart. |
| Christpher | A bearer of the Christian faith. |
| Chubby | Having a plump or rounded body shape |
| Chum | Close friend or companion |