Jason Falkner (born June 2, 1968) is an American songwriter, musician, and guitarist who was a member of the bands Jellyfish, the Three O'Clock, and the Grays. Since 1996, he has released six solo albums, starting with Presents Author Unknown. He is also a session musician and producer who has contributed to dozens of recordings by other bands and musicians as well as a touring bassist with the French duo Air, and more recently as the touring guitarist with Beck for decades.