Mount Hartkopf is a mountain, 1,110 metres (3,640 ft) high, rising along the east side of the upper reaches of Land Glacier, 11 nautical miles (20 km) southeast of Mount McCoy, in Marie Byrd Land, Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1959–65, and was named by the Advisory Committee on Antarctic Names for Kenneth W.