Rostand Island () is a rocky island 0.2 nautical miles (0.4 km) long, 0.1 nautical miles (0.2 km) southeast of Petrel Island in the Geologie Archipelago. Charted in 1951 by the French Antarctic Expedition and named by them for Jean Rostand, noted French biologist.
This article incorporates public domain material from the United States Geological Survey document "Rostand Island" (content from the Geographic Names Information System).