Don Carlos Oswaldo Ruspoli y Morenés, Caro y Arteaga, dei Principi Ruspoli (5 August 1932 – 25 October 2016) was a Spanish aristocrat, son of Carlos Ruspoli, 4th Duke of Alcudia and Sueca, and wife Dona María de Belén Morenés y Arteaga, García-Alesson y Echaguë, 18th Countess of Bañares.
He was the 5th Duke of Alcudia Grandee of Spain (formerly First Class) with a Coat of Arms of de Godoy (Letter of 28 November 1958), 5th
Duke of Sueca Grandee of Spain (Letter of 5 May 1979), 19th Count of Chinchón Grandee of Spain with a Coat of Arms of de Borbón (Boletín Oficial of 3 January 1978 and Letter of 16 October 1978) and Prince of the Holy Roman Empire, Knight of the Sovereign Military Order of Malta and Maestrante of Granada.