Sir Frederick Middleton (November 4, 1825 - January 25, 1898) was a British general noted for his service throughout the Empire and particularly in the North-West Rebellion.

Middleton held the position of Head of the Canadian Militia between 1884 and 1890. Suffering a defeat at the Battle of Fish Creek, he nonetheless proved himself a capable commander upon crushing the Métis resistance at the Battle of Batoche. For his service in the war, Middleton was knighted by Queen Victoria in 1885.