List of Famous people named Duke

Duke Friedrich August of Oldenburg was a member of the House of Holstein-Gottorp. He is a son of Nikolaus, Hereditary Grand Duke of Oldenburg and Princess Helena of Waldeck and Pyrmont.

Ludwig of Mecklenburg-Schwerin, Hereditary Prince o Mecklenburg-Schwerin was heir to the Dukedom of Mecklenburg-Schwerin from 1756 to his death. He was also the father of the first Grand Duke of Mecklenburg-Schwerin, Frederick Francis I.

Adam Karl Wilhelm Nikolaus Paul Eugen von Württemberg was a Duke of Württemberg and General in Russian and Polish-Russian service.

Duke Xiang of Jin was from 627 to 621 BC the ruler of the State of Jin, a major power during the Spring and Autumn period of ancient China. His ancestral name was Ji, given name Huan, and Duke Xiang was his posthumous title. He succeeded his father Duke Wen of Jin, who was the Hegemon of China.

Duke Ernest Gottlob Albert of Mecklenburg was a member of the House of Mecklenburg-Strelitz. As a younger son of Duke Charles Louis Frederick of Mecklenburg, Ernest was an elder brother of Queen Charlotte of the United Kingdom, who married King George III in 1761. Ernest followed his sister to England, where he unsuccessfully pursued marriage with the country's largest heiress, Mary Eleanor Bowes.

Duke Frederick of Saxe-Weimar was a prince from the Ernestine branch of the House of Wettin and a Colonel in the Thirty Years' War.

Duke Johann Wilhelm of Saxe-Altenburg was a member of the Ernestine branch of the House of Wettin and a titular Duke of Saxe-Altenburg and of Jülich-Cleves-Berg.

Duke George Augustus of Mecklenburg was a member of the House of Mecklenburg-Strelitz and a German sailor and soldier.

Duke Franz Joseph in Bavaria, full German name: Franz Joseph Michael Karl Maria Evaristus Quirinus Ottokar Herzog in Bayern (23 March 1888, Schloss Tegernsee, Kingdom of Bavaria – 23 September 1912, Munich, Kingdom of Bavaria) was a Duke in Bavaria and member of the House of Wittelsbach. Franz Joseph was the fifth and youngest child of Duke Karl-Theodor in Bavaria and his wife Infanta Maria Josepha of Portugal. Franz Joseph was the brother of Duke Ludwig Wilhelm in Bavaria and sisters Duchess Amalie in Bavaria, Duchess Sophie Adelheid in Bavaria, Duchess Elisabeth in Bavaria and Duchess Marie Gabrielle in Bavaria.

Duke Nicholas of Württemberg was an officer in the army of the Austrian Empire.