De Armand Alexander "Eddie" Noack, Jr. (April 29, 1930 – February 5, 1978), was an American country and western singer, songwriter and music industry executive. He is best known for his 1968 recording of the controversial murder ballad, "Psycho", written by Leon Payne, produced by John Capps and issued on the K-ark Records label.
Noack was born in Houston, Texas, United States, and attended Baylor University, where he earned a bachelor of arts degree in English and journalism.