Marianna Denhoff (1685–1730), also Maria Magdalena, Gräfin von Dönhoff, née Bielińska, was a German-Polish aristocrat. She was the daughter of Kazimierz Ludwik Bieliński, a noble, politician, and diplomat and Ludwika Maria Morsztyn, daughter of Jan Andrzej Morsztyn.
- Occupation
- royal mistress
- Citizenship
- Polish–Lithuanian Commonwealth
- Born
- 1685, 1688
- Died
- April 20, 1730
