| Skin | Author | Info | |
|---|---|---|---|
| Kaiser | Unknown | 8 skins | |
| Kanika II | Unknown | 1 skin | |
| Kanji | Unknown | 1 skin | |
| Karen | Unknown | 1 skin | |
| Karntceeme | ALiEN_JiM | 1 skin | |
| Kat | Unknown | 1 skin | |
| Kel_Estor | Unknown | 1 skin | |
| Keliah | Unknown | 1 skin | |
| Kelly | Unknown | 1 skin | |
| Khalida | Spectre_85 | 1 skin | |
| Khan | Francis 'MrBee' Briau | 1 skin | |
| Kikta | Zenodey | 6 skins | |
| Kindergarten_cop | Unknown | 1 skin | |
| KingTigerTwo | Unknown | 1 skin | |
| kinnux | Calvin Fisher | 1 skin | |
| Kiosk_Man | Unknown | 1 skin | |
| Kiroscet | Unknown | 1 skin | |
| kirsten | johnny pineapples | 1 skin | |
| klasnic_automaton_ut2k3 | Klasnic | ||
| klasnic_robotics_ut2k3 | Klasnic | ||
| klasnic_sigma_ut2k3 | Klasnic | ||
| Klax | Tom "Repoman" Stone | 1 skin | |
| Kolman | Unknown | 1 skin | |
| Kriegor | Unknown | 1 skin | |
| Krista | The Mad Scrawler | 1 skin | |
| Kristin | The Mad Scrawler | 1 skin | |
| Krobe | Unknown | 1 skin | |
| Kruci | Unknown | 2 skins | |
| Krujin | Unknown | 1 skin | |
| Kvast | Unknown | 1 skin |