"I Want You Back" is a song written and recorded by English girl group Bananarama. It is included on their fourth studio album Wow! and was released as its fourth and final single. The track was co-written and produced by the Stock Aitken Waterman (SAW) trio. The song became one of Bananarama's highest-charting hits, peaking at number five in the UK singles chart. It also climbed into the top three in Australia and the top ten in New Zealand. "I Want You Back" was not released in the United States.