World 6-7

World 6-7 may refer to:
 * World 6-7 in Super Mario Bros. 3.
 * KEEP MOVING!!!!, World 6-7 in Super Mario World 2: Yoshi's Island.
 * Shifting-Floor Cave, World 6-7 in New Super Mario Bros. U.
 * Switch-Lift Express, World 6-7 in New Super Luigi U.
 * Crumble Rock Rumble, World 6-7 in Yoshi's New Island.
 * World 6-7 in Puzzle & Dragons: Super Mario Bros. Edition.
 * Kamek's Last-Ditch Flyby, World 6-7 in Yoshi's Woolly World.