- "Kuro"/opaopa86 4
- K '1/2LuNaTiC' J 2
- K'rool 23
- K'rool and Alpha 3
- K. Jockey 2
- K. Rutkowski (War Mech) 4
- K1A14G86 3
- k<doubLe 2
- Kaal"TheSinew"979 & edited by EvilGrins 2
- Kaal"TheSinew"979 & edited by KeLLeR & EvilGrins 2
- Kaal"TheSinew"979 * edited by EvilGrins 33
- Kaal"TheSinew"979 *Edit*by-KeLLeR 3
- Kaal"TheSinew"979 *Edit*by-KeLLeR & EvilGrins 12
- Kaal979 25
- Kaal979 (original), Cyberia-Mix & EvilGrins (edited) 2
- Kaal979 (original), EvilGrins (edited) 7
- Kaal979 (original), KeLLeR & EvilGrins (edited) 3
- Kabby Mac fix by alc 2
- KageOni[] 2
- Kai-Eerik "Turha." Komppa 2
- KaKeMIX and 3
- Kal Corp 16
- kalke 12
- Kamakazi 2
- Kamek 2
- Kamikaze 2
- Kamil 'Jammer' Wolnikowski 4
- Kamil R 2
- Kangus 7
- kantham 32
- KaRaR 2
- Karl 'The Machine' Mitton 8
- karmah 2
- KARMATIZED 2
- KaRn 2
- Kart 2
- Kasarul 2
- Kasper "Coreper" van de Laar 4
- KastoR 3
- Katts Meow 2
- Kayako 6
- Kayako and Titled 2
- KazeoHin 4
- KAZUA 2
- Kearin 2
- Keitaro 3
- Keith "swag" Balding 2
- Keith Butler 2
- Keith Hogan=Maytagman 2
- Keith Miller 5
- Keith Schuler 2
- Kejim 3
- Kel Rutkowski 2
- Kelly Barnard 2
- Kelly Rutkowski 2
- KellyCuRe 5
- Kelly{CuRe} 6
- Kelvin 'WhiteRaven' Beaumont 3
- Kempel 3
- Ken "DrunKenobi" Lynch 2
- Ken "Noogy" Ng 2
- Ken "Quick" Paddle 3
- Ken "Smeerkat" Hwang 10
- Ken ''DrunKenobi'' Lynch 9
- Ken '[-SS-]RoKyT' Bryant 2
- Ken Finnell ( -WiCkEdNeSs- ) 3
- Ken Finnell ( WiCkEdNeSs ) 2
- Ken Finnell (-WiCkEdNeSs-) 3
- Ken Moore "aka" Kragon 5
- Ken Pilarski 3
- kÃM¥kũ˲ºº², Daniel Diaz 2