USS Leonidas (AD-7) was a destroyer tender, the lone ship in her class, named for Leonidas I (a king of Sparta), and the second United States naval vessel to bear the name.
Originally built as Elizabeth Holland by S. P. Austin & Son, Ltd., Sunderland, England in 1897-98; acquired by the Navy from Samuel P. Holland, London, 16 April 1898; and commissioned at New York on 21 May 1898 with Commander William Irwin Moore in command.