Marie-Marguerite or Mary Marguerite is a feminine compound given names. It may refer to:
Marie Marguerite Bihéron (1719–1795), French anatomist Marie Marguerite Bouvet (1865–1915), American writer of children's books Marie-Marguerite Brun (1713–1794), French lexicographer and poet Marie-Marguerite Carreaux de Rosemond (1765–1788), French painter Marie-Marguerite d'Youville (1701–1771), French-Canadian widow who founded the Sisters of Charity of Montreal, first native Canadian Catholic saint Marie-Marguerite Dufay (born 1949), best known as Marie-Guite Dufay, French politician Marie Marguerite Françoise Hébert (1756–1794), French ex-nun executed during the Reign of Terror Marie-Marguerite Lemaire (1769–1838), Canadian mother superior of the Sisters of Charity of the Hôpital Général of Montreal Marie-Marguerite Oudry (1688–1780), French engraver and painter Marie Marguerite Rose (c. 1717–1757), Guinean-born Canadian slave Marie-Marguerite, Duchess of Anjou or María Margarita Vargas Santaella (born 1983), Venezuelan-born heiress and wife of Louis Alphonse de Bourbon, the Legitimist pretender to the defunct kingdom of France
See also Marguerite-Marie Alacoque (1647–1690), French nun and mystic