Don Carlos, Duke of Madrid (30 March 1848 – 18 July 1909) was the senior member of the House of Bourbon from 1887 until his death. He was the Carlist claimant to the throne of Spain under the name Carlos VII from 1868 (his father's Spanish abdication), and the Legitimist claimant to the throne of France under the name Charles XI after the death of his father in 1887.