- fdiehl (Frederik Diehl)
- feldob (Felix Dobslaw)
- felipebravom (Felipe Bravo)
- ferrouswheel (Joel Pitt)
- fgieseke (Fabian Gieseke)
- finale (Finale Doshi-Velez)
- florian (Florian Markowetz)
- fmpr (Filipe Rodrigues)
- fmschleif (Frank-Michael Schleif)
- fpetitjean (Francois Petitjean)
- fracpete (Peter Reutemann)
- francis (Francis Maes)
- francolq (Franco Luque)
- frank (Frank Lin)
- fre (valentin reis)
- freemo (Jeffrey Freeman)
- frezza (Herve Frezza-Buet)
- fritzo (Fritz Obermeyer)
- fydennis (Yi Fu)
- gabobert (Gabriel Krummenacher)