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- Randall (see Elsa, Villains in Power Rangers Dino Thunder)
- Ransik (see Villains in Power Rangers Time Force)
- Retinax (see Villains in Power Rangers: Wild Force)
- Rita Repulsa
- Rito Revolto (see Villains in Mighty Morphin Power Rangers)
- Robert James, aka R.J. (see Jungle Fury Power Rangers)
- Rocko (see Wild West Rangers, Minor characters of Power Rangers)
- Rocky DeSantos
- Rofang (see Mut-Orgs, Villains in Power Rangers: Wild Force)
- Ronny Robinson (see Operation Overdrive Power Rangers)
- Rose Ortiz (see Operation Overdrive Power Rangers)
- Ryan Mitchell
- Rygog (see Villains in Power Rangers Turbo)
Read more about this topic: List Of Power Rangers Characters