John James Mazach (born 24 January 1944) is a vice admiral who retired from the United States Navy at the end of 1998. His last assignment on active duty was as commander of Naval Air Force Atlantic. Mazach was born in Coffeyville, Kansas and raised in Nashville, Tennessee. He earned a B.A. degree from Vanderbilt University in June 1966. After flight training, Mazach was designated a naval aviator in October 1967. Promoted to rear admiral, Mazach served as commander of Carrier Group Two from June 1993 to September 1994. In March 1996, he became commander of Naval Air Force, U.S. Atlantic Fleet.