Iron Duke

• 37th Armored Regiment
• Arthur Wellesley, 1st Duke of Wellington
• Beltrán Alfonso Osorio, 18th duke of Alburquerque
• Fernando Álvarez de Toledo, 3rd Duke of Alba
• GWR 3031 Class
• GWR Iron Duke Class
• HMS Iron Duke (1870)
• HMS Iron Duke (1912)
• HMS Iron Duke (F234)
• Iron Baron (disambiguation)
• Iron Duke (pub)
• Iron Duke engine
• Iron Lady (disambiguation)
• Iron Lord (disambiguation)
• Iron Man (disambiguation)
• Iron Woman (disambiguation)
• Irvin Khoza
• John F. Thompson (politician)
• Luís Alves de Lima e Silva, Duke of Caxias
• Robert William Wilcox
• The Iron Duke (film)
• The Iron Duke (novel)
• William Mark Duke