Harry Clinton Warner (December 11, 1928 – April 11, 2015) was an American coach in Major League Baseball and a former first baseman and manager at the minor league level. He served as a coach for the Toronto Blue Jays during their first three seasons (1977–79) in the American League, and was a member of the Milwaukee Brewers' staff in 1982, the first and only Brewer team to win an American League pennant.