Papa Yohane III alikuwa Papa kuanzia tarehe 17 Julai 561 hadi kifo chake tarehe 13 Julai 574. Alitokea Roma, Italia, alipozaliwa kwa jina la Johannes Catelinus. Alimfuata Papa Pelagio I akafuatwa na Papa Benedikto I. 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 Kuhusu Papa Yohane III katika Kamusi Elezo ya Kikatoliki