| Kal-El |
| Kalen Nor |
| Kalhan Par'jila |
| Nightsister Kaliopi Winehouse |
| kalrin |
| Kal Seraph |
| Kal Xehort |
| kami tzu |
| Kamuul |
| Kanamé Norari |
| kane55554 |
| Kantar Sinas |
| Kanx Fatemist |
| Kaotum |
| Kaox Krul |
| Kardashi Zenpachi |
| Karem Storm |
| Karetus |
| Kar’ik |
| Karluth Barreon |
| Karnage one |
| Karnis |
| Karnivus |
| Karnor K'llyu |
| Karstark |