Stanley Martin Clarke (born August 9, 1960) is a former pitcher in Major League Baseball. He spent parts of six seasons in the major leagues with the Toronto Blue Jays, Seattle Mariners, Kansas City Royals, and St. Louis Cardinals.
A native of Toledo, Ohio, Clarke attended Woodward High School and the University of Toledo. In 1980, he played collegiate summer baseball with the Wareham Gatemen of the Cape Cod Baseball League. He was selected by the Toronto Blue Jays in the sixth round of the 1981 MLB Draft.