World 8-3

World 8-3 may refer to:
 * World 8-3 (Super Mario Bros.)
 * World 8-3 (Super Mario Bros. 3)
 * World 8-3 (New Super Mario Bros.)
 * World 8-3 (New Super Mario Bros. Wii)
 * World 8-3 (Super Mario 3D Land)
 * Rising Tides of Lava, World 8-3 in New Super Mario Bros. U.
 * Hot Cogs, World 8-3 in New Super Luigi U.