| Name | Meaning | Gender | Origin |
|---|
| Clifford | Cliff ford | Male | English |
| Clifton | Slope settlement | Male | English |
| Clint | Settlement on the river Glyme | Male | English |
| Clinton | Settlement on the river Glyme | Male | English |
| Clive | Cliff | Male | English |
| Clover | Clover | Female | English |
| Cola | Charcoal | Unisex | English |
| Colby | Coalworker | Male | English |
| Constance | Steadfast | Female | Latin |
| Corey | God's peace | Male | Germanic |
| Cosmo | Order | Male | Greek |
| Courtland | Short land | Male | Dutch |
| Courtney | From Courtenay | Female | English |
| Creighton | Creek estate | Male | English |
| Cyril | Lord | Male | Greek |
| Daisy | Day's eye | Female | English |
| Darla | From The Old English Dearling: Darling. | Female | American English |
| Darlene | "Tenderly Loved." Some Variants Include Darel, Darelene, Darelle, Darline, And Daryl. | Female | American English |
| Darrell | From Airel | Male | French |
| Darryl | From Airelle | Male | French |
| Daryl | From Airelle | Unisex | French |
| Dawn | Sunrise, daybreak | Female | English |
| Delbert | Proud: Noble: Bright. | Male | Germanic |
| Deman | Judge | Male | English |
| Denton | The settlement in the valley | Male | English |
| Desmond | Man from south Munster | Male | Gaelic |
| Devon | Men of Devon | Female | English |
| Devona | Divine One | Female | English |
| Devyn | Descendant of Damhán | Female | Gaelic |
| Dixie | Strong power | Male | English |