World 4-5

World 4-5 may refer to the following:
 * World 4-5 in Super Mario Bros. 3.
 * Chomp Rock Zone, World 4-5 in Super Mario World 2: Yoshi's Island.
 * World 4-5 in New Super Mario Bros..
 * Friend or Foe?, World 4-5 in Yoshi's Island DS.
 * World 4-5 in New Super Mario Bros. Wii.
 * World 4-5 in Super Mario 3D Land.
 * World 4-5 in New Super Mario Bros. 2.
 * Whiteout Valley, in Paper Mario: Sticker Star.
 * Icicle Caverns, World 4-5 in New Super Mario Bros. U.
 * Ice Slide Expressway, World 4-5 in New Super Luigi U.
 * Spike's Lost City, World 4-5 in Super Mario 3D World.
 * Metal Eggdozers on a Roll, World 4-5 in Yoshi's New Island.
 * World 4-5 in Puzzle & Dragons: Super Mario Bros. Edition.
 * Sunset at Curtain Falls, World 4-5 in Yoshi's Woolly World.