Michael Charles Murphy (February 26, 1860 – June 4, 1913) was an athletic trainer and coach at Yale University (1887–1889, 1892–1896, 1901–1905), Detroit Athletic Club (1889–1892), University of Michigan (1891), Villanova University (1894), University of Pennsylvania (1896–1901, 1905–1913), and the New York Athletic Club (1890–1900). He coached the American track athletes at the Summer Olympics in 1900, 1908, and 1912. He spent a year in approximately 1884 as the trainer of heavyweight boxing champion John L. Sullivan.