World 4-2

World 4-2 may refer to:
 * World 4-2 in Super Mario Bros..
 * World 4-2 in Super Mario Bros.: The Lost Levels.
 * World 4-2 in Super Mario Bros. 2.
 * World 4-2 in Super Mario Bros. 3.
 * Butter Bridge 2, World 4-2 in Super Mario World.
 * The Cave Of The Lakitus, World 4-2 in Super Mario World 2: Yoshi's Island.
 * World 4-2 in New Super Mario Bros..
 * High-Speed Cart Race, World 4-2 in Yoshi's Island DS.
 * World 4-2 in New Super Mario Bros. Wii.
 * World 4-2 in Super Mario 3D Land.
 * World 4-2 in New Super Mario Bros. 2.
 * Cooligan Fields, World 4-2 in New Super Mario Bros. U.
 * Cooligan Shrooms, World 4-2 in New Super Luigi U.
 * Piranha Creeper Creek, World 4-2 in Super Mario 3D World.
 * Underground Pokey Patrol, World 4-2 in Yoshi's New Island.
 * World 4-2 in Puzzle & Dragons: Super Mario Bros. Edition.
 * Lakitu Peekaboo, World 4-2 in Yoshi's Woolly World.
 * World 4-2 in Mario Party: Star Rush.
 * Slope to Success, World 4-2 in Super Mario Run.