Papa Alexander VIII (22 Aprili 1610 – 1 Februari 1691) alikuwa Papa kuanzia tarehe 6/16 Oktoba 1689 hadi kifo chake. Alitokea Venezia, Italia. Jina lake la kuzaliwa lilikuwa Pietro Vito Ottoboni. Alimfuata Papa Inosenti XI akafuatwa na Papa Inosenti XII. 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 Aleksanda VIII katika Kamusi Elezo ya Kikatoliki