William Francis "Pooch" Donovan Sr. (March 15, 1868 – August 21, 1928) was an American athletic trainer and coach. He was the head coach of Harvard Crimson track coach from 1908 to 1921 and 1925 to 1928, trainer of the Harvard Crimson football team from 1907 to 1925, head coach of the football team in 1918, and trainer for the Harvard Crimson baseball team from 1907 to 1928.