World 7-7

World 7-7 may refer to:
 * World 7-7 in Super Mario Bros. 3
 * Stage 7-7 in Donkey Kong for the Game Boy.
 * World 7-7 in New Super Mario Bros.
 * Music Madness, World 7-7 in Donkey Kong Country Returns.
 * World 7-7 in Puzzle & Dragons: Super Mario Bros. Edition.