Papa Leo X (11 Desemba 1475 – 1 Desemba 1521) alikuwa Papa kuanzia tarehe 11/19 Machi 1513 hadi kifo chake. Alitokea Firenze, Italia. Jina lake la kuzaliwa lilikuwa Giovanni di Lorenzo de' Medici. Alimfuata Papa Julius II akafuatwa na Papa Adrian VI. Leo X ndiye aliyemtenga Martin Luther na Kanisa Katoliki tarehe 3 Januari 1521. 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 Leo X katika Kamusi Elezo ya Kikatoliki