Mount Isherwood (74°59′S113°43′W) is a flattish, mainly ice-covered mountain with steep rock slopes, located 4 miles (6.4 km) west-southwest of Mount Strange in the Kohler Range of Marie Byrd Land, Antarctica. The mountain was first photographed from aircraft of U.S. Navy Operation Highjump in January 1947, and was named by the Advisory Committee on Antarctic Names for William F.