The U.S. vs. John Lennon is a 2006 American documentary film about John Lennon's transformation from member of the Beatles to anti-war activist opposing the reelection of Richard Nixon as president in 1972. The film also details the attempts by the Nixon administration to deport Lennon from the US to end his anti-war and anti-Nixon campaigns. The film had its world premiere at the Venice Film Festival and its North American premiere at the Toronto International Film Festival. It was released in New York City and Los Angeles, California on 15 September 2006, and had a nationwide release on 29 September. A soundtrack composed of John Lennon tracks was released by Capitol Records and EMI on 26 September 2006.

The film makes extensive use of archival footage of Lennon and Yoko Ono, and includes an interview conducted by anti-war reporter Gloria Emerson.

The UK release was on December 8, 2006, 26 years to the day after the death of John Lennon. The DVD was released on February 13, 2007 in the United States. The film made its cable television debut in the US on August 18, 2007 on VH1 Classic.