Douglas Adolph Mikolas (born June 7, 1961) is a former American football nose tackle who played two seasons in the National Football League with the San Francisco 49ers and Houston Oilers. Mikolas played college football at Oregon Tech and attended Scio High School in Scio, Oregon. He was also a member of the Denver Gold of the United States Football League, Toronto Argonauts of the Canadian Football League and the New York/New Jersey Knights of the World League of American Football.