Room 4-2

Room 4-2 can refer to:
 * Room 4-2 in Mario vs. Donkey Kong 2: March of the Minis
 * Room 5-2 in Mario vs. Donkey Kong 2: March of the Minis, called "Room 4-2" in the PAL version
 * Room 4-2 in Mario vs. Donkey Kong: Minis March Again!