Mario & Luigi: Dream Team, known in Europe and Australia as Mario & Luigi: Dream Team Bros., is a 2013 role-playing video game developed by AlphaDream for the Nintendo 3DS. Revealed on Nintendo Direct on February 14, 2013, it is the fourth entry in the Mario & Luigi series of Mario role-playing games.

The game's story follows Mario and his brother Luigi who, after being invited on Pi'llo Island for vacation, become embroiled into a journey to retrieve a powerful artifact before a nemesis steals it and turns the world into nightmares and chaos. The player controls the two brothers and solve puzzles in the island as well in Luigi's dreams following the discovery of his mysterious power.