World 8-4

World 8-4 may refer to:
 * World 8-4 (Super Mario Bros.)
 * World 8-4 (Super Mario Bros. 3)
 * World 8-4 (New Super Mario Bros.)
 * World 8-4 (New Super Mario Bros. Wii)
 * World 8-4 (Super Mario 3D Land)
 * Firefall Cliffs, World 8-4 in New Super Mario Bros. U.
 * Firefall Rising, World 8-4 in New Super Luigi U.