Lylat System or Lylat can refer to the following:
- The following stages listed as set in the Lylat System in Super Smash Bros. Melee:
- Lylat System: Corneria, which reappears in Super Smash Bros. Brawl, Super Smash Bros. for Nintendo 3DS, and Super Smash Bros. Ultimate
- Lylat System: Venom, which reappears in Ultimate
- Lylat Cruise, a stage in Brawl, Super Smash Bros. for Wii U, and Ultimate