Marie Eleonore is a feminine compound given name which may refer to:

Marie Eleonore of Cleves (1550–1608), Duchess of Prussia by marriage Marie Eleonore of Brandenburg, Countess Palatine of Simmern (1607-1675), a princess of Brandenburg, Countess Palatine and regent of Simmern Marie Eleonore of Dietrichstein (1623–1687), German Countess of Kaunitz and Oppersdorf by her two marriages Princess Marie Eleonore of Hesse-Rotenburg (1675–1720), Landgravine of Hesse-Rotenburg by birth and Countess Palatine of Sulzbach by marriage Princess Marie Eleonore of Albania (1909–1956)

See also Marie-Éléonore Godefroid (1778–1849), French artist Maria Eleonora of Brandenburg (1599–1655), Queen of Sweden