Thomas Edward Downey (January 1, 1884 – August 3, 1961) was a major league baseball player.
Born in Lewiston, Maine, Downey played on several baseball teams after his first professional appearance at age 25 on May 7, 1909. Downey played for the Cincinnati Reds from 1909 until 1911, both the Philadelphia Phillies and the Chicago Cubs in 1912, and from 1914 to 1915, the Buffalo Buffeds/Blues. He both batted and threw the ball right-handed. His last game, ending a six-year Major League career, was on September 30, 1915. Downey, who was 5 feet 10 inches (178 cm) and weighed 178 pounds (81 kg), never had any higher education. He died in Passaic, New Jersey.