Papa Gregori XVI, O.S.B.Cam. (18 Septemba 1765 – 1 Juni 1846) alikuwa Papa kuanzia tarehe 2/6 Februari 1831 hadi kifo chake. Alitokea Belluno, Italia. Jina lake la kuzaliwa lilikuwa Bartolomeo Alberto Cappellari. Alimfuata Papa Pius VIII akafuatwa na Papa Pius IX. Orodha ya Mapapa https://www.vatican.va/content/vatican/en/holy-father.index.html#holy-father https://www.vatican.va/content/vatican/en/holy-father.index.html#holy-father Papa Gregori XVI katika Kamusi Elezo ya Kikatoliki