William Muir (coach)

William George Muir (February 1, 1895 – January 5, 1967) was an American football, basketball, and baseball coach. He served as the head football coach at Northern Illinois University from 1925 to 1925, compiling a record of 11–9–3. Muir was also the head basketball coach at Northern Illinois from 1923 to 1926 and the head baseball coach at the school from 1924 to 1926. He graduated from the University of Missouri and also attended coaching school at the University of Illinois. Prior to coming to Northern Illinois, he had taught and coached in Kansas, Texas, and in Decatur, Illinois.