| Name | Meaning | Gender | Origin |
|---|
| Dash | To move with haste, to rush. Punctuation. Long sound in Morse code. | Male | English |
| Dexter | dyer, right-handed | Male | Latin |
| Dino | From The Dene | Male | English |
| Disco | | Unisex | Hebrew |
| Dynamo | | Unisex | Hebrew |
| Eddie | From Edward - Prosperous guardian | Male | English |
| Espresso | | Unisex | Hebrew |
| Felix | Lucky
| Male | Latin |
| Fiesta | | Unisex | Hebrew |
| Finian | fair. Finians were warrior-followers of 3rd century legendary Irish hero Finn Mac Cumhail.
| Male | Irish |
| Fireball | | Male | Hebrew |
| Firecracker | | Unisex | Hebrew |
| Flame | A glowing mass of burning gas or vapor | Male | Word |
| Flare | | Unisex | Hebrew |
| Flash | To move rapidly. | Male | Word |
| Flurry | Prince, King | Unisex | Irish |
| Folly | | Unisex | Hebrew |
| Frankie | Diminutive of Frank Free: a free man. Frankie is occasionally used for girls.
| Male | |
| Freak | | Unisex | Hebrew |
| Frisbee | A plastic disc shaped toy that is actively thrown and caught. | Male | |
| Frisky | | Unisex | Hebrew |
| Fritz | German form of Frederick
| Male | |
| Fritz | German form of Frederick
| Male | |
| Furby | | Unisex | Hebrew |
| Gideon | The destroyer; brave spirit. mighty warrior. | Male | Hebrew |