Robert J. Gillis (June 21, 1926 – April 19, 2009) was an American football coach born in Bellows Falls, Vermont. He studied at S. from Adrian College in Adrian, Michigan, the University of Michigan and Springfield College. Gillis was the head football coach at Adrian College. He held that position for three seasons, from 1956 until 1958. His coaching record at Adrian was 9–15. He was a resident of Wolfeboro, New Hampshire.