Burris Nunatak () is a nunatak near the northern extremity of the Emlen Peaks, 2 miles (3 km) northwest of Mount Cox, in the Usarp Mountains. It was mapped by the United States Geological Survey from surveys and from U.S. Navy air photos, 1960–63, and named by the Advisory Committee on Antarctic Names for James M. Burris, assistant to the United States Antarctic Research Program representative at McMurdo Station, 1967–68.