Hidden Bay () is a bay 3 nautical miles (6 km) long, lying between Cape Renard and Aguda Point on the northeast coast of Kiev Peninsula, Graham Land. First charted by the Belgian Antarctic Expedition under Gerlache 1897-99. So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1958 because from the entrance to the bay is hidden by the Screen Islands.
This article incorporates public domain material from the United States Geological Survey document "Hidden Bay" (content from the Geographic Names Information System).