World 7

World 7 (also written as World Seven) can refer to:


 * World 7 (SMB) - World Seven of Super Mario Bros..
 * World 7 (The Lost Levels) - World Seven of Super Mario Bros.: The Lost Levels.
 * World 7 (SMB2) - World Seven and Final World of Super Mario Bros. 2.
 * Pipe Land - World Seven of Super Mario Bros. 3.
 * Valley of Bowser - World Seven and Final World of Super Mario World.
 * Smithy Factory - World Seven of Super Mario RPG: Legend of the Seven Stars.
 * Syrup Castle - World Seven and Final World of Wario Land: Super Mario Land 3.
 * World 7 (NSMB) - World Seven of New Super Mario Bros..
 * Giddy Sky - World Seven of Super Princess Peach.
 * Spooky Attic - World Seven of Mario vs. Donkey Kong 2: March of the Minis.
 * The Underwhere - World Seven of Super Paper Mario.