Theodore Sadowski (April 1, 1936 – July 18, 1993) was an American professional baseball player and a middle-relief pitcher in the Major Leagues for the Washington Senators / Minnesota Twins (1960–62).

Sadowski batted and threw right-handed, stood 6 feet 1 inch (1.85 m) tall and weighed 190 pounds (86 kg).

He broke into the big leagues with the 1960 Senators, who the following season became the Minnesota Twins.

In his three-season MLB career, he posted a 2–3 record with a 5.76 ERA and one save in 43 games and 841⁄3 innings pitched.

This biographical article relating to an American baseball pitcher born in the 1930s is a stub.