World 4

World 4 (also written as World Four) can refer to:
 * 100m - World 4 and the final world of Donkey Kong.
 * World 4 (Super Mario Bros.) - World 4 of Super Mario Bros.
 * World 4 (Super Mario Bros.: The Lost Levels) - World 4 of Super Mario Bros.: The Lost Levels.
 * World 4 (Super Mario Bros. 2) - World 4 of Super Mario Bros. 2.
 * Giant Land - World 4 of Super Mario Bros. 3.
 * Chai Kingdom - World 4 and Final World of Super Mario Land.
 * Twin Bridges - World 4 of Super Mario World.
 * Stove Canyon - World 4 of Wario Land: Super Mario Land 3.
 * World 4 (Super Mario World 2: Yoshi's Island) - World 4 of Super Mario World 2: Yoshi's Island.
 * Mole Mountains - World 4 of Super Mario RPG: Legend of the Seven Stars.
 * Spooky House - World 4 of Mario vs. Donkey Kong.
 * Fury Volcano - World 4 of Super Princess Peach.
 * World 4 (New Super Mario Bros.) - World 4 of New Super Mario Bros.
 * World 4 (Yoshi's Island DS) - World 4 of Yoshi's Island DS.
 * The Bedroom - World 4 of Super Mario Galaxy.
 * World 4 (New Super Mario Bros. Wii) - World 4 of New Super Mario Bros. Wii.
 * World 4 (Super Mario Galaxy 2) - World 4 of Super Mario Galaxy 2.
 * Ice World - World 4 of DK: King of Swing.
 * Cave - World 4 of Donkey Kong Country Returns.
 * World 4 (Super Mario 3D Land) - World 4 of Super Mario 3D Land.
 * World 4 (New Super Mario Bros. 2) - World 4 of New Super Mario Bros. 2
 * World 4 (Paper Mario: Sticker Star) - World 4 of Paper Mario: Sticker Star
 * Frosted Glacier - World 4 of New Super Mario Bros. U
 * World 4 (Super Mario 3D World) - World 4 of Super Mario 3D World.
 * Sea Breeze Cove - World 4 of Donkey Kong Country: Tropical Freeze.
 * World 4 (Yoshi's New Island) - World 4 of Yoshi's New Island.
 * Crumbling Cavern - World 4 of Mario vs. Donkey Kong: Tipping Stars.
 * World 4 (Puzzle & Dragons: Super Mario Bros. Edition) - World 4 of Puzzle & Dragons: Super Mario Bros. Edition.
 * World 4 (Yoshi's Woolly World) - World 4 of Yoshi's Woolly World.
 * World 4 (Mario Party: Star Rush) - World 4 of Mario Party: Star Rush.
 * World 4 (Super Mario Run) - World 4 of Super Mario Run.
 * Lava Pit - World 4 of Mario + Rabbids Kingdom Battle.
 * World 4 (Mario Party: The Top 100) - World 4 of Mario Party: The Top 100 in Minigame Island.
 * World 4 (Dr. Mario World) - World 4 of Dr. Mario World.