Ewing Thomas Kerr (January 21, 1900 – July 1, 1992) was a United States federal judge.Born in Bowie, Texas, Kerr attended the University of Colorado, and received a B.A. from the University of Oklahoma in 1923 and a B.S. from University of Central Oklahoma in 1923. He read law to enter the Bar in 1927. He was in private practice in Cheyenne, Wyoming from 1927 to 1929. He was an assistant United States Attorney for the District of Wyoming from 1930 to 1933.