World 8-Bowser's Castle

 may refer to:


 * , the final level of Super Mario Bros. 3.
 * , the final level of New Super Mario Bros.
 * , the final level of New Super Mario Bros. Wii.
 * of Super Mario 3D Land.
 * 2, the real final level of Super Mario 3D Land.
 * , the final level of Puzzle & Dragons: Super Mario Bros. Edition.