Papa Gregori XIV (11 Februari 1535 – 16 Oktoba 1591) alikuwa Papa kuanzia tarehe 5/8 Desemba 1590 hadi kifo chake. Alitokea Somma Lombarda, Italia. Jina lake la kuzaliwa lilikuwa Niccolò Sfondrati. Alimfuata Papa Urbano VII akafuatwa na Papa Inosenti 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 XIV katika Kamusi Elezo ya Kikatoliki