K
- Kai Chen (see Galaxy Power Rangers)
- Kamdor (see Villains in Power Rangers Operation Overdrive)
- Kaplan (see Principal Kaplan, Minor characters of Power Rangers)
- Kapri
- Karone
- Katherine Hillard, aka Kat
- Katherine Manx, aka Kat (see Space Patrol Delta)
- Katie Walker (see Time Force Power Rangers)
- Kegler (see Villains in Power Rangers Lost Galaxy)
- Kelly (see Minor characters of Power Rangers)
- Kelsey Winslow (see Lightspeed Rescue Power Rangers)
- Kendrix Morgan (see Galaxy Power Rangers)
- Kevin (see Power Rangers Samurai)
- Kevin's father (see Allies in Power Rangers Samurai)
- Kilobyte (see Villains in Power Rangers RPM)
- Kimberly Hart
- King Mondo (see Machine Empire)
- Kira Ford (see Dino Thunder Power Rangers)
- Kired (see Mut-Orgs, Villains in Power Rangers: Wild Force)
- Kite (see Animus, Zords in Power Rangers Wild Force)
- Kiya Watanabe (see Lothor)
- Klank (see Machine Empire)
- Knight Wolf (see Koragg, Villains in Power Rangers Mystic Force)
- Koragg (see Villains in Power Rangers Mystic Force)
- Kyle (see Minor characters of Power Rangers)
Read more about this topic: List Of Power Rangers Characters