"La La Land" is a song recorded by American recording artist Demi Lovato. It was written by Lovato, Joe Jonas, Kevin Jonas II and Nick Jonas, and produced by the Jonas Brothers alongside John Fields, for Lovato's debut studio album, Don't Forget (2008). It was released as the album's second and final single on December 16, 2008, through Hollywood Records. "La La Land" is one of six songs on the album co-written by the Jonas Brothers, who also contributed backing vocals and guitars to the track. Lovato said that she wrote the song about being yourself in Hollywood and not letting other people change who you are. Musically, the song is a guitar-driven pop rock song and the lyrics speak of Lovato feeling "out of place" in Hollywood.

The song was met with positive reviews from critics. Commercially, "La La Land" peaked at number fifty-two on the Billboard Hot 100 and number thirty-five on the UK Singles Chart. The song achieved its highest peak in Ireland, where it reached number thirty on the Irish Singles Chart. It was less successful in Australia and Germany, where it peaked in the lower half of the charts. The song used to promote Lovato's Disney Channel sitcom Sonny with a Chance and features guest appearances from her co-stars.