Princess Marianna Lubomirska (1693–1729) was a Polish noblewoman magnate. She was heiress of large Ostróg estates.
Daughter of Grand Marshal of the Crown Józef Karol Lubomirski, the son of Voivode of Kraków Aleksander Michaà  Lubomirski and Princess Helena Tekla Ossolià Âska and Princes Teofila Ludwika Zasà Âawska, the daughter of Prince Wà Âadysà Âaw Dominik Zasà Âawski and Katarzyna Sobieska (sister of King of Poland Jan III Sobieski).
Marianna married Prince Paweà  Karol Sanguszko and had one son: