Marze Peak is a rock peak with twin summits near the south end of the ridge between Wessbecher Glacier and Hudman Glacier, in the Petvar Heights at the south end of the Sentinel Range, Ellsworth Mountains, Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos from 1957–59, and was named by the Advisory Committee on Antarctic Names for Marion O. Marze, an aviation machinist's mate from the U.S.