| Name | Meaning | Gender | Origin |
|---|
| Fiona | white, fair | Female | Scottish |
| Fire | | Male | Hebrew |
| Flame | A glowing mass of burning gas or vapor | Male | Word |
| Flick | Blessed, Prosperous | Unisex | English |
| Flora | flower | Female | Latin |
| Florence | after Florence Nightingale | Female | Latin |
| Florida | flowery | Female | Latin |
| Flounder | | Unisex | Hebrew |
| Fluffernutter | | Unisex | Hebrew |
| Fluffy | Covered with fluff, Soft, light and airy. | Unisex | |
| Flynn | Son of a red-haired man. Surname.
| Male | Irish |
| Fontaine | Fountain | Unisex | French |
| Fortuna | Lucky
| Female | |
| Foster | forest keeper | Male | Occupational |
| Fox | A carnivorous mammal, related to the Dog, that has a long bushy tail. | Male | Animal |
| Foxy | Resembling a fox. Slang for sexy | Female | Word |
| Fraidy | | Unisex | Hebrew |
| Francis | Frenchman or free man | Male | Latin |
| Francois | Free | Unisex | French |
| Frankie | Diminutive of Frank Free: a free man. Frankie is occasionally used for girls.
| Male | |
| Franny | | Female | Hebrew |
| Fred | From Frederick - Peaceful ruler. | Male | |
| Freddie | peaceful ruler | Male | Dininutive |
| Freedom | Freedom, Liberty | Male | English |
| Friend | | Male | Hebrew |