Michael Henry McGeary (November 16, 1850 – October 2, 1933) was an American professional baseball player whose career spanned from 1871 to 1882. He played 11 seasons in Major League Baseball, playing principally as an infielder and catcher, for seven different major league clubs: the Troy Haymakers (1870–1871), the Philadelphia Athletics (NA) (1872–1874), the Philadelphia White Stockings (1875), the St. Louis Brown Stockings (1876–1877), the Providence Grays (1879)–(1880), the Cleveland Blues (1880–1881) and the Detroit Wolverines (1882). Three of those clubs, the Philadelphia White Stockings, Providence Grays and Cleveland Blues, also employed him as player-manager.