Leopold I

• 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