S
- Saint Dragon
- Sensible Soccer
- Seymour Goes to Hollywood
- Shadow Sorcerer
- Shoot'Em-Up Construction Kit
- Sid Meier's Pirates!
- Siegemaster
- SimCity
- Simulcra
- Skrull
- SkyStrike
- Space Ace
- Space Crusade
- Space Gun
- Space Harrier
- Space Quest I
- Space Quest II
- Space Quest III
- Speedball
- Speedball 2
- Spellbound Dizzy
- SpySnatcher
- Starglider
- Starglider 2
- Starquake
- Star Fleet I: The War Begins
- Starflight
- Star Raiders
- Star Trek: The Rebel Universe
- Star Wars (Domark)
- Star Wars: The Empire Strikes Back (Domark)
- STellar Chaos
- Stellar Crusade
- Strider
- Street Fighter
- Street Fighter II
- Stunt Car Racer
- SubStation
- Summer Games
- Summer Olympiad
- SunDog: Frozen Legacy
- Super Cars
- Super Cars 2
- Super Hang-On
- Super Huey
- Super Wonderboy
- Superman: The Man of Steel
- SWIV
- Sword of Kadesh
Read more about this topic: List Of Atari ST Games