An diofar eadar na mùthaidhean a rinneadh air "Pàpa Leo XII"

| DEALBH = Pope Leo XII.PNG

| AINM TÙSAIL = Annibale Francesco Clemente Melchiore Girolamo Nicola Sermattei della Genga

| BÀS = [[File:Flag of the Papal States (1808-1870).svg|16px]] [[Cathair na Bhatacain]] [[10 an Gearran]] [[1829]]

| PÀPACHD = [[28 an t-Sultain]] [[1823]] - [[10 an Gearran]] [[1829]]