Jack Ü is an American DJ duo, side group and collaborative project, consisting of Mad Decent founder Diplo and Grammy award winning producer and OWSLA founder Skrillex, formed in 2013.They are considered an EDM (electronic dance music) act with no specific genre. The two members of Jack Ü produce and release a wide variety of genres from trap to house to dubstep.

Jack Ü performed at Ultra Music Festival Miami in 2014. They released their first official single "Take Ü There" featuring vocals from Kiesza on September 17, 2014. Skrillex commented of Jack Ü that he and Diplo will "feature on each other’s tracks, and put out some singles together, but mostly we [Diplo and Skrillex] just like to DJ together [as Jack Ü]."