Jack D. Shanstrom (born November 30, 1932) is a retired United States federal judge for the United States District Court for the District of Montana.Born in Hewitt, Minnesota, Shanstrom received a B.A. from the University of Montana in 1956, a B.S. from the University of Montana in 1957, and an LL.B. from the University of Montana School of Law in 1957. He was a U.S. Air Force first lieutenant, JAG Corps from 1957 to 1960. He was in private practice in Livingston, Montana from 1960 to 1964.