Aliases
| Name | Aliases |
|---|---|
| Karias Blerster | カリアス・ブラスター |
| Karim Fulham | Karim Flam |
| Karin Kokubu | Kassie Carlen |
| Karin Yuuki | Isht Karin Orte (イシュト・カリン・オーテ) |
| Karina Uramaru | Sandra Vitchi |
| Karl Gottlieb | Kaaru Goddoriibu |
| Karl-Heinz Schneider | Young Emperor |
| Karma Atlanger | Kaama Atoranjaa |
| Karna | "赤"のランサー (Lancer of Red), Launcher (ランチャー) |
| Karna (Santa) | Saber |
| Karnadia Osfe | Karna (カーナ) |
| Karnatia Seri Anabald | Katia |
| Karua Siphon | Karua Saifuan |
| Karurauatsuurei | Karura |
| Kasandra | Kasane |
| Kasen Ibaraki | Ibarakasen (茨華仙) |
| Kashitaro Ito | Kashitarou Itou |
| Kasuka Heiwajima | Yuuhei Hanejima |
| Kasumi α | Kasumi x, Kasumi Alfa |
| Kasumi Kurou | Emeraude Misty (エメロードミスティ) |
| Kataigou | Reichen (瑞姫) |
| Katalina Aryze | Catalina, Katalina Alize |
| Katarina | Reese |
| Kate Bush | Kite Bush |
| Katherine Anderson | Kate, Keito |
| Katherine Anne Pryde | Kate Pryde, Kitty Pryde, Shadowcat |
| Katherine McDonald | Catherine McDonald |
| Katherine Warren | Kyasarin Wouren |
| Katie | Maiko-Chan |
| Kato Takigawa Jr. | Junior |