- 3 K '1/2LuNaTiC' J
- 23 K'rool
- 3 K'rool and Alpha
- 2 K. Jockey
- 5 K. Rutkowski (War Mech)
- 2 K. Rutkowski (WarMech)
- 3 K1A14G86
- 2 k<doubLe
- 26 Kaal979
- 2 Kaal979 (original), Cyberia-Mix & EvilGrins (edited)
- 7 Kaal979 (original), EvilGrins (edited)
- 3 Kaal979 (original), KeLLeR & EvilGrins (edited)
- 2 Kab Mac fix alc
- 2 KageOni[]
- 2 Kai-Eerik "Turha." Komppa
- 2 KaKeMIX
- 3 KaKeMIX and
- 13 Kal Corp
- 12 kalke
- 2 Kamakazi
- 2 KaMi, N3odoc & GreenLoves
- 2 Kamikaze
- 4 Kamil 'Jammer' Wolnikowski
- 2 Kamil R.
- 7 Kangus
- 2 KaRaR
- 8 Karl 'The Machine' Mitton
- 2 karmah
- 2 Kart
- 2 Kasarul
- 5 Kasper "Coreper" van de Laar
- 3 KastoR
- 2 Katts Meow
- 6 Kayako
- 2 Kayako and Titled
- 4 KazeoHin
- 2 Kazman
- 2 KAZUA
- 2 Kearin
- 3 Keitaro
- 2 Keith "swag" Balding
- 2 Keith Butler
- 2 Keith Hogan=Maytagman
- 5 Keith miller
- 2 Keith Schuler
- 2 Kel Rutkowski
- 2 Kelly Barnard
- 2 Kelly Rutkowski
- 5 KellyCuRe
- 6 Kelly{CuRe}
- 3 Kelvin 'WhiteRaven' Beaumont
- 3 Kempel
- 2 Ken "Noogy" Ng
- 2 Ken "Quick" Paddle
- 10 Ken "Smeerkat" Hwang
- 9 Ken ''DrunKenobi'' Lynch
- 2 Ken '[-SS-]RoKyT' Bryant
- 2 Ken 'drunKenobi' Lynch
- 5 Ken Moore "aka" Kragon
- 3 Ken Pilarski
- 2 Ken Richmeier
- 6 Kenneth
- 4 Kenneth "Final Sage" Culbertson
- 3 Kenneth "PA_Pheadrus" Hagins
- 3 Kenneth "Sage" Culbertson
- 2 Kenneth J. Cooke Sr.
- 2 KENNI
- 6 Kenny
- 3 Kenny "Mr-K" Venekamp