| Name | Meaning | Gender | Origin |
|---|
| Fifi | Jehovah increases | Female | |
| Figaro | | Male | Hebrew |
| Finn | Blond
| Male | Irish |
| Finnegan | fair. Finians were warrior-followers of 3rd century legendary Irish hero Finn Mac Cumhail.
| Male | Irish |
| Fiona | white, fair | Female | Scottish |
| Fleur | French for flower | Female | |
| Flora | flower | Female | Latin |
| Flower | Flower | Female | English |
| Fluffy | Covered with fluff, Soft, light and airy. | Unisex | |
| Foo | | Unisex | Hebrew |
| 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 |
| Frac | companion to Fric | Unisex | |
| Fran | Of France | Male | English |
| Francesca | Free | Female | Latin |
| Francine | Of France | Female | French |
| Frank | Free | Male | English |
| Frankie | Diminutive of Frank Free: a free man. Frankie is occasionally used for girls.
| Male | |
| Franny | | Female | Hebrew |
| Freya | A Modern Form Of Freyja | Female | Norse |
| Freya | Viking mythology: the goddess of fertility | Female | Norse |
| Fric | | Unisex | Hebrew |
| Frik | | Unisex | Hebrew |
| Frisco | Abbreviation of Francisco Free: a free man.
| Male | English |