Ingwald "Ingo" Preminger (25 February 1911 in Czernowitz, Austria-Hungary (now Chernivtsi, Ukraine) – 7 June 2006 in Pacific Palisades, California) was a film producer. He was also the literary agent for several writers, including Dalton Trumbo and Ring Lardner Jr., both of whom were blacklisted in the McCarthy era. He was brother of actor-director-producer Otto Preminger.