A number of steamships have been named Mercator, including -
SS Mercator (1891), a Finnish cargo ship in service 1891-1916. Torpedoed and sunk in 1916.
SS Mercator (1904), a Finnish cargo ship in service 1925-39. Torpedoed and sunk on 1 December.
SS Mercator (1920), a Finnish cargo ship in service 1942-44, 1948-59. Scrapped in 1959.
See also
MV Mercator (1943), a Landing Ship Tank, ex USS LST-310. In service under this name between 1951 and 1963 for Norwegian, American and Argentinian owners.
