Thomas J. Haggerty was an American college basketball coach. He coached DePaul University from 1936 to 1940, and after a stint in the United States Army, returned to the school in 1944 to become its athletic director. From 1945 to 1950, he coached Loyola University Chicago, and guided them to a second-place finish in the 1949 National Invitation Tournament. He later coached at Loyola University New Orleans, but resigned during the 1953–54 season because of health issues. He died of pneumonia at age 51 in 1956.