Wlodzimierz Czacki (Polish pronunciation: [vwɔˈd͡ʑimʲɛʂ ˈt͡ʂat͡skʲi], 16 April 1834–8 March 1888) was born in Poryck in Lutsk (Volhynia governorate, Russian Empire), today in Ukraine, and died in Rome, Italy. He was a cardinal of the Catholic Church. He was part of the Papal diplomacy, and was part of the nuntius in France 1879–1882.
He was made cardinal in September 1882 by Pope Leo XIII.