| Consort: | yes |
| Carlos Ruspoli y Morenés | |
| Full Name: | Carlos Oswaldo Ruspoli y Morenés |
| Succession: | 5th Duke of Alcudia and Sueca |
| Predecessor: | Prince Carlos Ruspoli |
| Successor: | Prince Luis Ruspoli |
| Reign1: | 1958–2016 |
| Reign2: | 1975–2016 |
| House: | Ruspoli |
| Father: | Prince Carlos Ruspoli |
| Mother: | María de Belén Morenés y Arteaga, 18th Countess of Bañares |
| Birth Date: | 5 August 1932 |
| Birth Place: | San Sebastián, Spain |
| Death Place: | Madrid, Spain |
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.