Burtis Island (73°04′S 125°29′W / 73.067°S 125.483°W / -73.067; -125.483) is a small island lying 19 kilometres (10 nmi) east of Cape Dart, Siple Island, off the coast of Marie Byrd Land. It was mapped by the U.S. Geological Survey from U.S. Navy aerial photography, 1962–65, and named by the Advisory Committee on Antarctic Names for William J. Burtis, an ionospheric physicist at Byrd Station in 1965.

 This article incorporates public domain material from "Burtis Island". Geographic Names Information System. United States Geological Survey.