Cloyd Island (66°25′S110°33′E) is a rocky Antarctic island, 0.6 mi (0.97 km) long, between Ford and Herring Islands in the south part of the Windmill Islands off the Budd Coast. It was first mapped from aerial photographs taken by USN Operation Highjump and Operation Windmill, 1947-1948. Named by the US-ACAN for J. R.