Maria Louisa may refer to:
Maria Louisa Angwin (1849–1898), Canadian physician Maria Louisa Bustill (1853–1904), American schoolteacher Maria Louisa Charlesworth (1819–1880), English religious author Maria Louisa Pike (c. 1824 – 1892), American naturalist Maria Louisa Walsworth (1822–1859), American missionary
See also
Maria Louise Maria Luisa Maria Luise Mary Louisa Marie Louise (disambiguation) Marie Luise Maria (given name)
Louisa (disambiguation) Maria (disambiguation)