Namesakes
Argentine Presidents:
1 president
Leopoldo Galtieri 1981-1982 
Notable Actors and Entertainers:
1 actor
Leo Carrillo 1880-1961
Other Royalty:
2 princes, 1 emperor
Pedro II of Brazil (middle name Leopoldo) 1831-1889 Brazil
Afonso, Prince Imperial (middle name Leopoldo) 1845-1847 Brazil
Pedro Afonso, Prince Imperial (middle name Leopoldo) 1848-1850 Brazil
Spanish Prime Ministers:
1 prime minister
Leopoldo Calvo-Sotelo 1981-1982