- Flak 6
- FlakAddict 4
- FlakKitty 2
- Flapjax 6
- FleaBaG 2
- Flesh Head 6
- Fleshdance 22
- Fliegenklatsche 5
- Flood 3
- Florian "Akbalder" Guillard 4
- Florian "Strogg" Oswald 30
- Florian "Tank-Bird" Vogel 2
- Florian 'NumbNutz' Sauter 2
- Florian '[UTFC]Starfire' Ries 4
- Fluffey 2
- Fluffy 10
- Fluffy Evil Bunnies #[FEB] 5
- FluffyPower 2
- Flux 6
- Flying_killer 3
- FnG-Paladin 2
- FoCS) 7
- Foamy 3
- Foamy "SVOAV" Gal 2
- FoamyGal 47
- Fobos 2
- FoolsParadise 3
- Ford_Prefect 2
- Forestal 6
- Forks_M7 2
- FormStranger 4
- Forrest "y3llow5" Dowling 3
- Fortress 2
- Foufoune_Rose 3
- FoulMan 2
- Fox Keri 2
- Fox Leader 2
- FrAgEd 3
- FraGnBraG 197
- FractalFX 2
- FragBait 2
- FragMeat 3
- FragTastic 6
- Fragaholic 15
- Fragaholic (orig: Smoerble)MUSIC 2
- Fraggaholic 2
- Fragman{MOK} 7
- Fragswill 17
- FrameR-A-T-E 2
- Francesco 'minifloppy' Camarlinghi 4
- Francesco Biscazzo 11
- Francis "Fritz-x" De Block 8
- Francis "Fritz-x" De Block & Joseph "Professor" Hall 3
- Francis 'MrBee' Briau 15
- Francis_''MrBee''_Briau 2
- Francisco "GringoLoco" Galárraga 2
- FrancoCaro 3
- Francois Lacombe aka Orion(Co30) 55
- Francois-Xavier Delmotte 2
- Frank "Beezer" Imbesi 3
- Frank "MagotBrain" Schlatterer 3
- Frank "Scorpion" Meyer 2
- Frank 'Die Harder' Scholten 10
- Frank 'FMC' Johanns 2
- Frank 'ROX' Aartman 3
- Frank 'r@yden' Petri 11
- Frank Herbert 3
- Frank Pepermans aka. {HwP}Incubus 2
- Frank Saya 2
- Frank Willett 9
- Frank aka *MCS*lo§t 2
- Frank'Noz'Bakker 11
- Franz "McBlackJack" Marcks 2
- Frase 2
- FreEp 2
- Fred 7
- Fred Bickford a.k.a "SS_DeCoNtRoL" 3
- Fred Blair 22
- Freddo 2
- Frederic ZIGNIN 2
- Fredy 2
- FreekBoyG 2
- Freeman 2