William Thomas Fitzgerald (October 13, 1858 – January 12, 1939) was an American educator, physician, and politician who served two terms as a U.S. Representative from Ohio from 1925 to 1929.

He served as member of the National Guard of Ohio 1875-1882, and saw service during the Newark riots in 1877.

He graduated from the National Normal University, Lebanon, Ohio, in 1887.

He resumed the practice of medicine in Greenville, Ohio, where he died on January 12, 1939.

This article incorporates public domain material from the Biographical Directory of the United States Congress