John Jacob Quinn (April 1, 1908 – September 20, 1976) was an American executive in Major League Baseball. His career spanned over 40 years and included almost 28 full seasons as a general manager in the National League for the Boston / Milwaukee Braves and Philadelphia Phillies. He produced three National League pennants and one World Series championship during his 1945–58 tenure with the Braves. Quinn was born in Columbus, Ohio, during the period when his father was the president and business manager of the minor league Columbus Senators.