- 2 James Staton Richardson
- 2 James Staton Richardson (Arbitrage)
- 2 Jamesbond{420}
- 2 JamesG
- 2 Jamie
- 6 Jamie 'azzido' York
- 2 Jamie Cullen
- 16 Jan "Aquablue" Vos
- 9 Jan 'Luggage' Kaluza
- 15 Jan Kohnert
- 2 Jan Kretschmer
- 2 Jan'McFrag'Kohnert
- 5 Janis 'Flux' Bode
- 2 Janne Stjernquist "Murman" "Jesus"
- 5 Jannes "Jamer5" Riemann
- 8 Jannis "" Borgers
- 7 Janttu
- 2 Japs,Mutts,Pyks,Weirds,Zyx
- 7 Jared "DarkJared" Benson
- 4 Jared "FrEaKy" Lacey
- 3 Jared "Tydusis" Tassin
- 12 Jaret 'Hrothgar' Illingworth
- 3 Jarno Braspenning
- 2 Jarno Tuomainen
- 2 Jarrad Thomas
- 4 Jarrod Burgess
- 3 Jason
- 9 Jason "B-P Llama" Attard
- 10 Jason "JaeR" Rakosik
- 28 Jason "Jaymian" Julkowski
- 3 Jason "jimmer_jammer411" Pina
- 15 Jason 'babyjoker' Dyer
- 4 Jason 'Elfinko' Fink
- 8 Jason 'Fleshwater' Tucker
- 3 Jason Bevins
- 9 Jason Constable
- 2 Jason DeJardin
- 5 Jason Royle
- 2 Jason S. Zimmermann (Silver-Serpent)
- 2 Jason Seip
- 4 Jason Tushingham
- 2 Jason Wakelam
- 2 JASON XYZ
- 2 Jason Yeung, Chia Cheng, Sam Yip
- 7 Jason"Luciferion"Austin
- 4 JASONxxx
- 3 Jasper 'Weenydog' Lodder
- 20 Jaspos
- 2 JasposDesign
- 2 Jaunie/Tyler
- 5 Javier
- 4 Javier "Petraka" Braceras
- 12 Jay
- 3 Jay "Funkstylz" Stone
- 3 Jay "Loosecontroll" Harrison
- 4 Jay Tee