World 9-8

World 9-8 may refer to:
 * World 9-8 in New Super Mario Bros. Wii.
 * Pendulum Castle, World 9-8 of New Super Mario Bros. U.
 * Impossible Pendulums, World 9-8 of New Super Luigi U.
 * World 9-8 in ''Super Mario Maker for Nintendo 3DS.