- Strong Wind Dragon
- Stronghold Guardian
- Stronghold the Moving Fortress
- Stygian Security
- Stygian Sergeants
- Stygian Street Patrol
- Submarineroid
- Submersible Carrier Aero Shark
- Substitute Pain
- Suijin
- Suit of Sword X
- Summon Cloud
- Summon Dice
- Summon Pass
- Summon Reactor•SK
- Summon Storm
- Summon Tax
- Summoned Skull
- Summoning Clock
- Sumo King Dog
- Sun Dragon Inti
- Sun Scale
- Sunken Kingdom
- Sunlight Unicorn