World 6

World 6 may refer to:


 * World 6 (SMB) – the sixth world from Super Mario Bros..
 * Ice Land – the sixth world of Super Mario Bros. 3.
 * World 6 (NSMB) – the sixth world from New Super Mario Bros..
 * World 6 (The Lost Levels) – the sixth world in Super Mario Bros.: The Lost Levels.