Donald Robert Ingalls (January 17, 1919 – April 8, 1970) was an American football player and coach in the United States. He played college football at the University of Michigan before being drafted by the Green Bay Packers in the 18th round of the 1942 NFL Draft. He played professionally in the NFL for the Packers for one season, in 1942. Ingalls served as an assistant football coach at Nebraska in the 1940s. He served as the head football coach at the University of Connecticut from 1952 to 1963, compiling a record of 49–54–3. He died on April 8, 1970 at Windham Community Hospital in Willimantic, Connecticut.