Papa Anastasio III alikuwa Papa kuanzia Juni/Septemba 911 hadi kifo chake mwezi wa Juni/Oktoba 913. Alitokea Roma, Lazio, Italia. Jina lake la kuzaliwa pia lilikuwa Anastasius. Alimfuata Papa Sergio III akafuatwa na Papa Lando. Orodha ya Mapapa Opera Omnia kadiri ya Migne katika Patrologia Latina pamoja na faharasa 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 Anastasio III katika Kamusi Elezo ya Kikatoliki