Leopold I
Leopold I may refer to:
- Leopold I, [Margrave of Austria], first Margrave of Austria
- Leopold I, Duke of Austria, co-Duke of Austria and Styria with Frederick I
- Leopold I, [Holy Roman Emperor], Holy Roman Emperor, King of Germany, Hungary and Bohemia
- Leopold I, [Prince of Anhalt-Dessau], Prince of Anhalt-Dessau
- Leopold I, Prince of Lippe, ruler of the Principality of Lippe
- Leopold I, Grand Duke of Baden
- Leopold I of Belgium, first King of the Belgians