| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 701 | Cyrene | Greek | Mother of Aristaeus. | F | |
| 702 | Cyril | Greek | Lord, lordly. Famous bearer, the 9th-century missionary Saint Cyril, devised the Cyrillic alphabet used in Slavonic languages. | M | |
| 703 | Cyrill | Greek | Master; lord. | M | |
| 704 | Cyrilla | Greek | Noble. | F | |
| 705 | Cyrille | Greek | Variant of Cyril: Lord. | M | |
| 706 | Cyrillus | Greek | Variant of Cyril: Lord. | M | |
| 707 | Cyrus | Greek | Enthroned. Cyrus the Great conquered Babylon and founded the Persian Empire. | M | |
| 708 | Cyryl | Greek | Lordly. | M | |
| 709 | Cythera | Greek | From Cythera. | F | |
| 710 | Cytherea | Greek | Derived from Cythera, a Greek island mentioned in classical references to the goddess Aphrodite. Another name for Aphrodite. | F | |
| 711 | Cytheria | Greek | Another name for Aphrodite. | F | |
| 712 | Daedalus | Greek | Killed his nephew. | M | |
| 713 | Daemon | Greek | Guardian spirit. | M | |
| 714 | Daff | Greek | Diminutive of Daphne: Bay tree, or laurel tree. The Greek mythological nymph Daphne was rescued from the unwanted attentions of the god Apollo by being turned into a laurel bush. Famous bearer: British author Daphne du Maurier. | F | |
| 715 | Daffodil | Greek | Flower. | F | |
| 716 | Daimen | Greek | Variant of Damon: Gentle. To tame. A variant of Damian. In Greek legend Damon was a loyal friend of Pythias. Famous bearer in modern times: American author Damon Runyon. | M | |
| 717 | Daimon | Greek | Variant of Damon: Gentle. To tame. A variant of Damian. In Greek legend Damon was a loyal friend of Pythias. Famous bearer in modern times: American author Damon Runyon. | M | |
| 718 | Damae | Greek | Tame. | M | |
| 719 | Daman | Greek | Variant of Damon: Gentle. To tame. A variant of Damian. In Greek legend Damon was a loyal friend of Pythias. Famous bearer in modern times: American author Damon Runyon. | M | |
| 720 | Damara | Greek | Gentle. | F | |