SS Maria Luisa

A number of ships have been named Maria Luisa, including –
 * SS Maria Luisa (1902), an Italian-registered cargo ship that operated under that name from 1927 and sank in 1929
 * SS Maria Luisa (1945), a Liberian-registered cargo ship that operated under that name from 1956 until 1963

See also
 * SS Maria Luisa R., an Italian cargo ship in service 1949–52