- Keith Hogan=Maytagman 4
- Keith MIller 6
- Keith Schuler 8
- Kejim 4
- Kel Rutkowski 2
- Kelly Barnard 2
- Kelly Rutkowski 2
- KellyCuRe 5
- Kelly{CuRe} 7
- Kelvin 'WhiteRaven' Beaumont 2
- Kempel 3
- Ken "Noogy" Ng 2
- Ken "Quick" Paddle 9
- Ken ''DrunKenobi'' Lynch 15
- Ken '[-SS-]RoKyT' Bryant 3
- Ken Finnell -WiCkEdNeSs- 10
- Ken Pilarski 3
- Ken Richmeier 2
- Kenneth 7
- Kenneth "Final Sage" Culbertson 5
- Kenneth "PA_Pheadrus" Hagins 5
- Kenneth "Shrimp" Watson 86
- Kenneth 'Uncle Drax' Reising 4
- Kenneth J. Cooke Sr 2
- Kenny 6
- Kenny "Mr-K" Venekamp 4
- Keo 2
- Keski 2
- Ketan 'KeK' Joshi 2
- Keukeu51 4
- Kev teh pwn 2
- Kevin 3
- Kevin "Magnetite" Barrios 8
- Kevin "Skorch" Little 14
- Kevin "Vendirty" Corradino 2
- Kevin "Waffnuffly" Letz 5
- Kevin 'QFox' Regamey 2
- Kevin 'sklare' Cytatzky 6
- Kevin '»«Kevin»«' Roe 3
- Kevin Day 3
- Kevin Hill 2
- Kevin Laning - 2
- Kevin Letz 9
- Kevin Peters 3
- Kevin Roos AKA BoDyLoTioN 2
- Kewpie 3
- Khali-Shi 3
- KhanArtist 3
- KiCk3R (and Mahloeeh DnM for revision) 8
- KiLLaH 13
- KiLLaH! aka Christina T. 2
- KiLLaH! | Chrissy | 2
- Kick 6
- KidBull 2
- Kid_fierce 2
- Kieran -(((GONTERF)))- Bacon 4
- Kijiro 9
- KillBait 5
- KillBait! (UT2K3) Alan Willard (UT) 2
- KillBait! (UT2K4) Alan Willard (UT) 5
- KillBait! (UT2k4) - Akuma (UT) 2
- KilleFrag 2
- Killer ('em all) 3
- Killer909 4
- Killy_McGee 8
- Killy_McGee.:{DEA}: 3
- Kim "Grim" Ericsson 2
- KimiRäikkönen 2
- Kimmo 3
- Kimmo "Cardiologist" Kontto 39
- King Henri 21
- King Josh 3
- King Mango 9
- King Nipple 10
- KingJosh aka MiniMe 28
- KingLollo 6