"Where Did Your Heart Go?" is a song written by American musicians David Was and Don Was. The song was first recorded and released by the writers' disco-dance-rock ensemble Was (Not Was) as a single in the UK as a double-A-side single with "Wheel Me Out" in September 1981. The single did not chart. It was featured as the second track on the ensemble's début album Was (Not Was) in August 1981. French editions of the single included the album "It's An Attack!" as the b-side.

A live recording of "Where Did Your Heart Go?" was included as a b-side to "Somewhere In America (There's A Street Named After My Dad)" single in 1992.

All tracks written by D. Was and D. Was.

"Where Did Your Heart Go?" was covered by the British pop duo Wham! on 14 October 1986 as one of the three B-sides to "The Edge of Heaven" in the UK, where it reached number 1. The song was also released separately as Wham!'s final single in several territories most notably in the US where it peaked at number 50 on the Billboard Hot 100 in November 1986. It was produced and re-arranged by George Michael with engineering by Chris Porter. In common with several Wham! songs, Andrew Ridgeley's contribution is notable by its absence, though he receives a co-writing credit for its B-side: "Wham Rap '86". "Where Did Your Heart Go?" was also included on The Final and Music from the Edge of Heaven albums.

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