Pope Leo was the name of thirteen Roman Catholic Popes:

• Pope Leo I (the Great) (440–461)
• Pope Leo II (682–683)
• Pope Leo III (795–816)
• Pope Leo IV (847–855)
• Pope Leo V (903)
• Pope Leo VI (928)
• Pope Leo VII (936–939)
• Pope Leo VIII (964–965)
• Pope Leo IX (1049–1054)
• Pope Leo X (1513–1521)
• Pope Leo XI (1605)
• Pope Leo XII (1823–1829)
• Pope Leo XIII (1878–1903)