World 4-1

World 4-1 may refer to:


 * World 4-1 in Super Mario Bros..
 * World 4-1 in Super Mario Bros.: The Lost Levels.
 * World 4-1 in Super Mario Bros. 2.
 * World 4-1 in Super Mario Bros. 3.
 * Butter Bridge 1, World 4-1 in Super Mario World.
 * GO! GO! MARIO!!, World 4-1 in Super Mario World 2: Yoshi's Island.
 * World 4-1 in New Super Mario Bros..
 * Rock 'n' Fall, World 4-1 in Yoshi's Island DS.
 * World 4-1 in New Super Mario Bros. Wii.
 * Rickety Rails, World 4-1 of Donkey Kong Country Returns.
 * World 4-1 in Super Mario 3D Land.
 * World 4-1 in New Super Mario Bros. 2.
 * Snow Rise, World 4-1 of Paper Mario: Sticker Star.
 * Spinning-Star Sky, World 4-1 in New Super Mario Bros. U.
 * Broozers and Barrels, World 4-1 in New Super Luigi U.
 * Ant Trooper Hill, World 4-1 in Super Mario 3D World.
 * Hop 'n' Pop Till You Drop, World 4-1 in Yoshi's New Island.
 * World 4-1 in Puzzle & Dragons: Super Mario Bros. Edition.
 * A P Switch's Journey, World 4-1 in Super Mario Maker.
 * Monkeying Round and Round, World 4-1 in Yoshi's Woolly World.
 * World 4-1 in Mario Party: Star Rush.
 * Cutting-Edge Spire, World 4-1 in Super Mario Run.