Pranke Island is a small ice-covered island lying close to Siple Island in the west extremity of Russell Bay, off the coast of Marie Byrd Land. Mapped by United States Geological Survey (USGS) from ground surveys and U.S. Navy air photos, 1959–65. Named by Advisory Committee on Antarctic Names (US-ACAN) for James B. Pranke, aurora researcher at Byrd Station in 1965.

• List of Antarctic and sub-Antarctic islands

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