John Good Reilly (October 5, 1858 – May 31, 1937), nicknamed "Long John", was an American first baseman in Major League Baseball who played for the Cincinnati Stars (1880) and the Cincinnati Red Stockings/Reds (1883–1891). In 1888, he hit 13 home runs with 103 RBI and a .321 batting average. During and after his baseball career, Reilly was a commercial artist for the Strobridge Lithographing Company.