"Why Don't You Get a Job?" is a ska punk song by The Offspring. The song is featured as the 11th track on The Offspring's fifth studio album Americana (1998) and was released as the second single from the album. The song also appears as the eighth track on the band's Greatest Hits album (2005). The main tune of the song is inspired by The Beatles' song "Ob-La-Di, Ob-La-Da," but also borrows heavily from Simon and Garfunkels' song "Cecilia." The single peaked in the top 10 worldwide.