Jan Kazimierz Denhoff

Jan Kazimierz Denhoff (1649–1697) was a Polish Cardinal from 1686, Abbot of Mogiła (Kraków) in 1666, canon of Warsaw, Dean of Plock, a canon of Kraków in 1681 and Bishop of Cesena in 1688. He is the author of several theological works.

He was born in Warsaw as the son of the then royal courtier Teodora Denhoffa and Katarzyny Franciszki von Bessen. Denhoff was educated at the Jesuit College at Pultusk. In the days of John III Sobieski, Denhoff represented Polish interests in the Holy See in the Vatican. Shortly before his death in 1697 he resigned from the Diocese of Cesena and died in Rome.