World 7-1

World 7-1 may refer to:
 * World 7-1 in Super Mario Bros..
 * World 7-1 in Super Mario Bros.: The Lost Levels.
 * World 7-1 in Super Mario Bros. 2.
 * World 7-1 in Super Mario Bros. 3.
 * World 7-1 in New Super Mario Bros..
 * World 7-1 in New Super Mario Bros. Wii.
 * World 7-1 in 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.
 * World 7-1 in Puzzle & Dragons: Super Mario Bros. Edition.