World 5-4

World 5-4 may refer to:
 * World 5-4 (Super Mario Bros.)
 * World 5-4 (Super Mario Bros.: The Lost Levels)
 * World 5-4 (Super Mario Bros. 3)
 * Sluggy the Unshaven's Fort, World 5-4 in Super Mario World 2: Yoshi's Island.
 * The Fort of Moltz the Very Goonie, World 5-4 in Yoshi's Island DS.
 * World 5-4 (New Super Mario Bros.)
 * World 5-4 (New Super Mario Bros. Wii)
 * World 5-4 (Super Mario 3D Land)
 * World 5-4 (New Super Mario Bros. 2)
 * Painted Swampland, World 5-4 in New Super Mario Bros. U.
 * Painted Pipeworks, World 5-4 in New Super Luigi U.