Name | Category | Group | Country |
King Cobra 1 release | Sysop
| Action, Prestige, Hangar 18, Complex 39 | USA |
King Rat | Sysop
| Zeus, Big Boss | South Africa |
Kingpin 21 releases | Texter, Graphics Artist, Diskmag Editor, Sysop, Swapper
| Spaceballs, Checkpoint, Royal, Crux, Cavalry, Offence, New Wave, Pure Metal Coders, LSD, Motion (DE) | Norway |
Kinky | Sysop
| Extacy, Conflict Carrier | Finland |
Captain Kirk | Sysop
| Punishers, USS Enterprise (Australia) | Australia |
Kitaro 8 releases | Music Artist, Sysop, Original Supplier
| Fairlight, LSD, 2000 AD, Alpha Flight, International Cracking Service, Skid Row, Millenia | United Kingdom |
Klaf 30 releases | Music Artist, Texter, Graphics Artist, Packdisk Editor, Sysop, Series Publisher, Swapper
| Depth, Old Bulls, Freezers, Appendix, Skulls, Scalaris, Squeezers | Poland |
Klf | Packdisk Editor, Sysop, Swapper
| Damage Inc. | Finland |
Klorathy 59 releases | Coder, Music Artist, Texter, Graphics Artist, Sysop, Organizer
| Rebels, Paradome, Vox Dei, Freezers, Delight, Science 451, Supplex, Ram Jam, X-Trade, Corpse | Sweden |
Knight | Coder, Sysop
| Dark Angels | |
Kolius | Coder, Sysop, ASCII Artist
| Psykotrope, Nancy 2 | France |
Koo Koo Ka Choo | Sysop
| Fun Factory | USA |
Kool Falco | Sysop
| 2000 AD, International Cracking Service, Technobrains, Guess Dezign, Intensity, Trash City | USA |
Koos & co. 1 release | Sysop
| Jetset, Zaracon, Capital | Netherlands |
Korball 6 releases | Texter, Sysop, Swapper, Raytracer
| Apathy, Whelpz, Amnesty, Dinx Project, Venal, Saf | Poland |