Papa Marinus I alikuwa Papa kuanzia Desemba 882 hadi kifo chake tarehe 15 Mei 884. Alitokea Gallese, Lazio, Italia. Alimfuata Papa Yohane VIII akafuatwa na Papa Adriano III. 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 Marino I katika Kamusi Elezo ya Kikatoliki