Papa Pius II (18 Oktoba 1405 – 14 Agosti 1464) alikuwa Papa kuanzia tarehe 19 Agosti/3 Septemba 1458 hadi kifo chake. Alitokea Corsignano, Italia. Jina lake la kuzaliwa lilikuwa Enea Silvio Piccolomini. Alimfuata Papa Kalisti III akafuatwa na Papa Paulo II. 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 Pius II katika Kamusi Elezo ya Kikatoliki