Ems Rock () is a rock midway between Harrison and Busen Points in the south part of Stromness Bay, South Georgia. Charted by DI personnel under Lieutenant Commander J.M. Chaplin in 1927 and 1929. Named in 1957 by the United Kingdom Antarctic Place-Names Committee (UK-APC) for the sailing vessel Ems, owned by the Tonsberg Hvalfangeri, Husvik, located at the head of Husvik Harbour in Stromness Bay.
This article incorporates public domain material from the United States Geological Survey document "Ems Rock" (content from the Geographic Names Information System).