John Anthony Helliwell (born 15 February 1945) is an English musician, best known as the saxophonist, secondiary keyboardist, backing vocalist, and occasional songwriter for the rock band Supertramp. He also served as an MC during the band's concerts, talking and making jokes to the audience between songs. Helliwell contributed clarinet to The Pineapple Thief's song "Fend For Yourself" from their Your Wilderness album which was released in 2016.