Marvin "Barney" Lewellyn (February 11, 1919 – August 28, 2010) was an American football coach.
[1] He served as the head football coach at the South Dakota School of Mines in Rapid City, South Dakota from 1947 to 1951.
[2] He moved to Wayne, Nebraska to become the head football coach at Wayne State College from 1952 to 1957.
[3]