John Helliwell is a British musician. He was a member of the British band Supertramp. Helliwell has released several collaborative albums: Don't Ever Leave Me with Jasper Somsen, Ever Open Door with The Singh String Quartet and John Ellis, and The Bari Session with Paul Wertico. He has also featured on several popular songs: If Everyone Was Listening and Del Soldato in Trincea with The Singh String Quartet and John Ellis; and Summer Rain with Mathis Richter-Reichhelm. Helliwell appears in the documentary Whatever Happened To Pink Floyd?.