Girdler Island is a small island at the south side of Mutton Cove, lying 0.2 kilometres (0.1 nmi) southwest of Cliff Island and 15 kilometres (8 nmi) west of Prospect Point, off the west coast of Graham Land, Antarctica. It was charted and named by the British Graham Land Expedition, 1934–37, under John Rymill.

• List of Antarctic and sub-Antarctic islands

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