Alvin and the Chipmunks: Chipwrecked is a 2011 American live-action/animated jukebox musical adventure comedy film directed by Mike Mitchell and written by the writing team of Jonathan Aibel and Glenn Berger, based on the characters Alvin and the Chipmunks created by Ross Bagdasarian Sr. and the Chipettes created by Janice Karman. It is the third installment in the live-action Alvin and the Chipmunks film series following the first from 2007, and the second from 2009. The film stars Jason Lee, David Cross and Jenny Slate. Justin Long, Matthew Gray Gubler, Jesse McCartney, Amy Poehler, Anna Faris and Christina Applegate return to voice the Chipmunks and the Chipettes, respectively. In the film, playing around while aboard a cruise ship, the Chipmunks and the Chipettes go overboard and end up marooned in a tropical island, where they discover their new turf is not as deserted as it seems.

Alvin and the Chipmunks: Chipwrecked was released in the United States on December 16, 2011, by 20th Century Fox. The film was panned by critics, but has grossed $342.7 million worldwide against an $80 million budget. A fourth and final film, Alvin and the Chipmunks: The Road Chip, was released on December 18, 2015 with Kaley Cuoco replacing Amy Poehler as the voice of Eleanor.