"You 're the One That I Want '' is a song written by John Farrar for the 1978 film version of the musical Grease. It was performed by John Travolta and Olivia Newton - John. It is one of the best - selling singles of all time, having sold over 6 million copies among the United States, the United Kingdom, and France alone, with estimates of more than 15 million copies sold overall.
who wrote the song you're the one that i want
John Farrar