S
- Sam
- Schuyler "Sky" Tate
- Scorch (see Villains in Power Rangers Jungle Fury)
- Scorpina (see Villains in Mighty Morphin Power Rangers)
- Scorpius (see Villains in Power Rangers Lost Galaxy)
- Scott Truman (see RPM Power Rangers)
- Sculpin (see Villains in Power Rangers Mystic Force)
- Sensei Kanoi Watanabe (see Minor characters of Power Rangers)
- Sentinel Knight (see Allies in Power Rangers Operation Overdrive)
- Serena (see Allies in Power Rangers Samurai)
- Serpentina (see Villains in Power Rangers Mystic Force)
- Shane Clarke (see Ninja Storm Power Rangers)
- Shayla (see Princess Shayla, Minor characters of Power Rangers)
- Shimazu (see Villains in Power Rangers Ninja Storm)
- Skull, aka Eugene Skullovitch (see Bulk and Skull)
- Snapper (see Villains in Power Rangers Jungle Fury)
- Snow Prince (see Allies in Power Rangers: Mystic Force)
- Spencer (see Allies in Power Rangers Operation Overdrive)
- Spike (see Allies in Power Rangers Samurai)
- Sprocket (see Prince Sprocket, Machine Empire)
- Squatt (see Villains in Mighty Morphin Power Rangers)
- Steelon (see Machine Empire Remnants, Villains in Power Rangers: Wild Force)
- Summer Landsdown (see RPM Power Rangers)
- Super Jindrax (see Jindrax, Villains in Power Rangers: Wild Force)
- Super Nayzor (see Nayzor, Villains in Power Rangers: Wild Force)
- Super Toxica (see Toxica, Villains in Power Rangers: Wild Force)
- Sydney Drew (see S.P.D. Power Rangers)
- Serena (see Allies in Power Rangers Samurai)
Read more about this topic: List Of Power Rangers Characters