"Iz U" is a single by the rapper Nelly, released in 2003, from the 2003 album Da Derrty Versions: The Reinvention. It was released in the United States but had little air-play, though was very popular. It also moderate success in the United Kingdom, peaking at #36. The song was also used for the film, Disney's Haunted Mansion.

The song is notable for its sampling of "The People's Court" theme song.