For other ships with this name, see Savannah (disambiguation)#Ships.

NS Savannah was the first nuclear-powered merchant ship. Built in the late 1950s at a cost of $46.9 million, including a $28.3 million nuclear reactor and fuel core, funded by United States government agencies, Savannah was a demonstration project for the potential use of nuclear energy. Launched on 21 July 1959 and named for , the first steamship to cross the Atlantic ocean, she was in service between 1962 and 1972 as one of only four nuclear-powered cargo ships ever built. (Soviet ice-breaker Lenin launched on 5 December 1957, was the first nuclear-powered civil ship.) Savannah has been moored at Pier 13 of the Canton Marine Terminal in Baltimore, Maryland since 2008.