| Name | Meaning | Gender | Origin |
|---|
| Dalai | | Unisex | Hebrew |
| Dalton | From the farm in the dale
| Male | English |
| Darwin | Beloved friend. | Male | English |
| David | Dearly loved
| Male | Hebrew |
| Dennis | Named for Saint Denys
| Male | |
| Desmond | man of the world, society | Male | Irish |
| Dick | Powerful, Brave Ruler | Male | English |
| Donald | ruler of the world, brown stranger | Male | Scottish |
| Downey | | Unisex | Hebrew |
| Edward | Guardian
| Male | English |
| Edwin | prosperous friend, heir's axe | Male | English |
| Einstein | | Male | Hebrew |
| Emil | industrious, to emulate | Male | Latin |
| Enrico | German, estate ruler | Male | Italian |
| Eric | All powerful ruler | Male | Old |
| Ernest | Serious: determined.
| Male | English |
| Esmond | protective grace | Unisex | |
| Ethan | strong, firm, constant | Male | Hebrew |
| Euclid | Intelligent | Unisex | Greek |
| Faraday | | Unisex | Hebrew |
| Farley | distant meadow | Male | English |
| Fermi | | Unisex | Hebrew |
| Fire | | Male | Hebrew |
| Flynn | Son of a red-haired man. Surname.
| Male | Irish |
| Francis | Frenchman or free man | Male | Latin |