Killingbeck Island is a small island lying east of Rothera Point, off the southeast coast of Adelaide Island, Antarctica. It was named by the UK Antarctic Place-Names Committee in 1964 for John B. Killingbeck, a British Antarctic Survey glaciologist in 1960–63.

• List of Antarctic and sub-Antarctic islands

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