| Fitzwilliam | Son of the protector |
| Fiyas | A name meaning pure brilliance. |
| Fiyaz | A name meaning successful one. |
| FIynn | A name meaning fair or white. |
| Fizan | A name meaning a cool breeze. |
| Fjall | From the rough hill. |
| Fjodor | A name meaning gift of the god. |
| Fjola | A name meaning violet flower. |
| Flaine | Variant of Flannery: Red-haired. |
| Flainn | A name meaning bright red or ruddy. |
| Flak | A name meaning intense verbal criticism. |
| Flames | A name meaning bright burning fire. |
| Flaminio | A name meaning of a flaming nature. |
| Flaminius | The Life of Timon of Athens' |
| Flanagan | A name meaning the redhaired one. |
| Flann | A name meaning a bright red color. |
| Flannagain | A name meaning little red one. |
| Flannagan | Descendant of the red one |
| Flannan | Variant of Flannery: Red-haired. |
| Flannerry | A variant of the redhaired |
| Flannery | Descendant of the red warrior |
| Flavian | Derived from golden yellow |
| Flavien | Variant of Flavian: Yellow-haired. |
| Flavio | A man with golden hair |
| Flavius | The Tragedy of Julius Caesar' A tribune. 'The Life of Timon of Athens' Steward to Timon. |
| Flawiusz | Polish form of the golden one |
| Fleachia | another spelling for felicia |
| Fleance | The Tragedy of Macbeth' Banquo's son. |
| Flecher | One who makes or sells arrows |
| Fleet | A name meaning swift or fast moving. |
| Fleetwood | From an Insignificant Village Called Fleet |
| FLEISCHAKER | A butcher or seller of meat products. |
| Fleming | A person from the Flanders region. |
| Flemming | Variant of Fleming: From the valley. |
| Flemmyng | Man from the Lowlands |
| Flemyng | Man from the Lowlands |
| Fletch | Diminutive of Fletcher: Maker of arrows. |
| Fletcher | One who makes or sells arrows. |
| Flin | Son of the red haired one. |
| Flinn | Son of a red-haired man. |