| Name | Meaning | Gender | Origin |
|---|
| Draco | Dragon | Male | Italian |
| Dude | | Unisex | Hebrew |
| Echo | Repetition of a sound caused by the reflection of sound waves. For one that barks or meows a lot. A nymph | Male | Greek |
| Elwood | From the old forest
| Male | |
| Emil | industrious, to emulate | Male | Latin |
| Eustace | fruitful | Unisex | |
| Everest | | Male | Hebrew |
| Fatty | | Unisex | Hebrew |
| Felix | Lucky
| Male | Latin |
| Ferris | Rock
| Male | Irish |
| Fidget | | Unisex | Hebrew |
| Finian | fair. Finians were warrior-followers of 3rd century legendary Irish hero Finn Mac Cumhail.
| Male | Irish |
| Finnegan | fair. Finians were warrior-followers of 3rd century legendary Irish hero Finn Mac Cumhail.
| Male | Irish |
| Fiver | | Unisex | Hebrew |
| Flash | To move rapidly. | Male | Word |
| Flip | Lover Of Horses | Unisex | English |
| Floyd | after Pink Floyd | Male | Welsh |
| Fluffy | Covered with fluff, Soft, light and airy. | Unisex | |
| Francis | Frenchman or free man | Male | Latin |
| Franco | Frank
| Male | Italian |
| Fudge | A soft, rich candy | Male | |
| Fulton | town near the field | Male | English |
| Fuzzy | | Male | Hebrew |
| Fuzzy | | Male | Hebrew |
| Gizmo | A mechanical device or gadget. | Unisex | |