Namesakes

Bishops of Rome and the Popes: 12 popes
Pius I   140-154  
Pius II   1458-1464  
Pius III   1503  
Pius IV   1559-1565  
Pius V   1566-1572  
Pius VI   1775-1799  
Pius VII   1800-1823  
Pius VIII   1829-1830  
Pius IX   1846-1878  
Pius X   1903-1914  
Pius XI   1922-1939  
Pius XII   1939-1958  
Harry Potter Characters: 1 character
Pius Thicknesse  
Olympic Medalists: 1 bronze
(bronze) Pius Schwizer   2008   equestrian  
Other Royalty: 1 prince
Hans-Adam II, Prince of Liechtenstein (a.k.a. Pius)   1989-   Liechtenstein  
Saints: 4 saints, 1 blessed, 1 venerable
Saint Pius I   ?-154  
Saint Pius V   1504-1572  
Blessed Pius IX   1792-1878  
Saint Pius X   1835-1914  
Venerable Pius XII   1876-1958  
Saint Pio of Pietrelcina (a.k.a. Pius)   1887-1968