World 6-5

World 6-5 may refer to:
 * World 6-5 in Super Mario Bros. 3.
 * The Very Loooooong Cave, World 6-5 in Super Mario World 2: Yoshi's Island.
 * World 6-5 in New Super Mario Bros..
 * World 6-5 in New Super Mario Bros. Wii.
 * World 6-5 in Super Mario 3D Land.
 * World 6-5 in New Super Mario Bros. 2.
 * Walking Piranha Plants!, World 6-5 in New Super Mario Bros. U.
 * Rising Piranhas, World 6-5 in New Super Luigi U.
 * Ty-Foo Flurries, World 6-5 in Super Mario 3D World.
 * Hotfoot Hurdle, World 6-5 in Yoshi's New Island.
 * World 6-5 in Puzzle & Dragons: Super Mario Bros. Edition.
 * Yoshi, the Terror of All Boos, World 6-5 in Yoshi's Woolly World.