USS Mars may refer to the following ships operated by the United States Navy:
, was a galley built in 1798 and renamed Charleston while under construction , was launched 10 April 1909 and sold 22 June 1923 USS Mars AR-16, was laid down 16 May 1945 but construction was canceled 12 August 1945 , was launched 15 June 1963 and decommissioned 1 February 1993
See also
Mars (disambiguation)