Blaine McKusick

James Gilespie Blaine McKusick (February 23, 1888 – August 8, 1960) was an American football and basketball coach. He served as both the head football coach and head basketball coach at the University of South Dakota from 1916 to 1917.

McKusick attended Bowdoin College in Maine before becoming a student at the University of South Dakota School of Law in 1911. He also served as the head football coach at Missouri Military Academy in Mexico, Missouri in 1920.