Robert Emmett "Red Bob" Harmon (1882 – 1959) was an American football, basketball, and baseball coach. He served as the head football coach at Illinois College in 1903 and 1917, Loyola University Chicago in 1911, Gonzaga University from 1913 to 1914, the University Farm—now known as the University of California, Davis—from 1915 to 1916, and the University of Santa Clara—now known as Santa Clara University—from 1919 to 1920, and at Quincy College and Seminary—now known as Quincy University—in Quincy, Illinois from 1922 to 1924.