Ceslaus Sipovich (Belarusian: ?????? ???????, Lacinka: Ceslau Sipovic) (December 8, 1914 – October 4, 1981) was a bishop of the Belarusian Greek Catholic Church.
He was appointed titular bishop of Mariamme in 1960, and served as Superior General of the Congregation of Marian Fathers from 1963 to 1969.