Greg Ladanyi (July 6, 1952 – September 29, 2009) was an American record producer and recording engineer of Hungarian descent, known for his work with many musicians, including Jackson Browne, Warren Zevon, Type O Negative, The Church, Caifanes, Anna Vissi, Toto, Fleetwood Mac, Hollywood Undead, Don Henley, and Jeff Healey.