Papa Stefano IV alikuwa Papa kuanzia tarehe 22 Juni 816 hadi kifo chake tarehe 24 Januari 817. Alitokea Roma, Lazio, Italia. Jina la baba yake lilikuwa Marinus (ambaye asichanganywe na Papa Marinus I aliyetawala 882-884). Stefano IV alimfuata Papa Leo III akafuatwa na Papa Paskali 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 Stefano IV katika Kamusi Elezo ya Kikatoliki