World 4-3

World 4-3 may refer to:
 * World 4-3 in Super Mario Bros..
 * World 4-3 in Super Mario Bros.: The Lost Levels.
 * World 4-3 in Super Mario Bros. 2.
 * World 4-3 in Super Mario Bros. 3.
 * Don't Look Back!, World 4-3 in Super Mario World 2: Yoshi's Island.
 * World 4-3 in New Super Mario Bros..
 * In the Clouds, World 4-3 in Yoshi's Island DS.
 * World 4-3 in New Super Mario Bros. Wii.
 * World 4-3 in Super Mario 3D Land.
 * World 4-3 in New Super Mario Bros. 2.
 * Prickly Goombas!, World 4-3 in New Super Mario Bros. U.
 * Fire and Ice, World 4-3 in New Super Luigi U.
 * Beep Block Skyway, World 4-3 in Super Mario 3D World.
 * Spin-Lift Drift, World 4-3 in Yoshi's New Island.
 * World 4-3 in Puzzle & Dragons: Super Mario Bros. Edition.
 * Rollin' Down the River, World 4-3 in Yoshi's Woolly World.