Frank Matt Baumann (July 1, 1933 – December 13, 2020) was an American pitcher in Major League Baseball who played for the Boston Red Sox, Chicago White Sox and Chicago Cubs between 1955 and 1965. He batted and threw left-handed, stood 6 feet (1.8 m) tall and weighed 205 pounds (93 kg). In his 11-season MLB career, Baumann posted a 45–38 record with a 4.11 ERA and 14 saves in 244 games pitched. Of his 78 starting assignments, 19 were complete gates and four were shutouts. In 7971⁄3 innings pitched, he allowed 856 hits and 300 base on balls, with 384 strikeouts.