Dean Amadon (June 5, 1912 - January 12, 2003) was an American ornithologist and an authority on birds of prey.
Amadon was born in Milwaukee, Wisconsin, and studied at Hobart College, Geneva and Cornell University. In 1937 he joined the American Museum of Natural History in New York City, and was Chairman of the Department of Ornithology from 1957 until 1973.
Amadon was president of the American Ornithologists' Union from 1964 to 1966. His books included Eagles, Hawks and Falcons of the World (1968).