| Abbreviation | Definition |
|---|---|
| FISO | Fantasy Interactive Sports Online |
| FIVEM | (GTA) Five Multiplayer |
| FLARP | Fantasy Live Action RolePlaying |
| FLARP | Fatal Live Action Role Playing |
| FLARP | Friends Laughing and Role Playing |
| FLG | Fusion Lan Gaming |
| FLGR | Finger Lakes Gaming and Racetrack |
| FLGS | Friendly Local Gaming Store |
| FLYFF | FLY For Fun |
| FM | Full Mana |
| FMG | fans Formulation Gaming |
| FMG | Foxy Modz Gaming |
| FMGA | Fort McMurray Gaming Association |
| FMSX | MSX home computer emulator (not an acronym) |
| FMT | Friends May Team |
| FNAC | Five Nights At Candy's |
| FNAC2 | Five Nights at Candy's 2 |
| FNAF | Five Nights at Freddy's |
| FNAF1 | Five Nights at Freddy's 1 |
| FNAF2 | Five Nights at Freddy's 2 |