World 8

World 8 (also written as World Eight) can refer to:
 * World 8 (Super Mario Bros.) - World 8 and the final world of Super Mario Bros.
 * World 8 (Super Mario Bros.: The Lost Levels) - World 8 of Super Mario Bros.: The Lost Levels.
 * Dark Land - World 8 and the final world (bar Warp Zone) of Super Mario Bros. 3.
 * Smithy Factory - World 8 of Super Mario RPG: Legend of the Seven Stars.
 * Bowser's Villa - World 8 and the final World of Super Princess Peach.
 * World 8 (New Super Mario Bros.) - World 8 and the final world of New Super Mario Bros.
 * World 8 (New Super Mario Bros. Wii) - World 8 of New Super Mario Bros. Wii.
 * Castle Bleck - World 8 of Super Paper Mario.
 * Volcano - World 8 of Donkey Kong Country Returns.
 * World 8 (Super Mario 3D Land) - World 8 of Super Mario 3D Land.
 * World Flower (New Super Mario Bros. 2) - World 8 of New Super Mario Bros. 2
 * Peach's Castle - World 8 of New Super Mario Bros. U.
 * World Bowser - World 8 of Super Mario 3D World.
 * World 8 (Puzzle & Dragons: Super Mario Bros. Edition) - World 8 of Puzzle & Dragons: Super Mario Bros. Edition.
 * World 8 (Dr. Mario World) - World 8 of Dr. Mario World.