Prince Michal Fryderyk Czartoryski (1696–1775) was a Polish nobleman, the Duke of Klewan and Zuków, magnate, and Knight of the Order of the White Eagle (from 1726).
He headed Poland's Czartoryski "Familia".
He served as Steward of Lithuania from 1720, Castellan of Vilnius from 1722, Grand Chancellor of Lithuania from 1752, and Starost of Grod, Luck, Uswiat, Jurbol, Homel, Kupsk and Pienian.