- Pope Pius I (c. 140–154, but Vatican lists 142/146 – 157/161)
- Pope Pius II (1458–1464)
- Pope Pius III (1503–1503)
- Pope Pius IV (1559–1565)
- Pope Pius V (1566–1572)
- Pope Pius VI (1775–1799)
- Pope Pius VII (1800–1823)
- Pope Pius VIII (1829–1830)
- Pope Pius IX (1846–1878)
- Pope Pius X (1903–1914)
- Pope Pius XI (1922–1939)
- Pope Pius XII (1939–1958)
- There was also an Antipope Pius XIII who led the tiny breakaway True Catholic Church sect.
- The Dan Brown novel Angels & Demons takes place after the death of Pius XVI who is succeeded by Pope Luke.
- In the Babylon 5 science fiction saga, Pius XV is a fictional early 22nd Century Pope of the Roman Catholic Church. Pius XV was featured in the novel Dark Genesis.
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