Thomas James Sandt (December 22, 1950 – December 1, 2020) was an American Major League Baseball player and coach, as well as a minor league manager. An infielder, Sandt played for the Oakland Athletics in 1975 and 1976. He threw and batted right-handed, stood 5 feet 11 inches (1.80 m) tall and weighed 175 pounds (79 kg). His professional playing career lasted all or parts of 15 seasons, and his MLB coaching tenure lasted for 16 years. He was the first-base coach of the 1997 world-champion Florida Marlins.