Mike Newkirk (born August 12, 1986 in Ladysmith, Wisconsin) is a professional American and Canadian football Defensive End / Defensive Tackle free agent. Newkirk also played DE/LB for the Chicago Rush of the Arena Football League. He was signed by the St. Louis Rams as an undrafted free agent in 2009. He played college football for the Wisconsin Badgers. Newkirk has also been a member of the Edmonton Eskimos of the Canadian Football League.