World 2-A

World 2-A may refer to:
 * World 2-A in New Super Mario Bros.
 * World 2-A in New Super Mario Bros. 2.
 * Big Galoomba Blockade, World 2-A in Super Mario 3D World.
 * Crumble Cavern, World 2-A in Donkey Kong Country: Tropical Freeze.