World 7-1

World 7-1 may refer to:
 * World 7-1 (Super Mario Bros.)
 * World 7-1 (Super Mario Bros.: The Lost Levels)
 * World 7-1 (Super Mario Bros. 2)
 * World 7-1 (Super Mario Bros. 3)
 * World 7-1 (New Super Mario Bros.)
 * World 7-1 (New Super Mario Bros. Wii)
 * World 7-1 (Super Mario 3D Land)
 * Land of Flying Blocks, World 7-1 in New Super Mario Bros. U.
 * Frozen Fuzzies, World 7-1 in New Super Luigi U.