Maria Louisa

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 (d. 1892), American naturalist
 * Maria Louisa Walsworth (1822–1859), American missionary