Cayetano Martínez
Cayetano Martínez de Irujo y Fitz-James Stuart, 4th Duke of Arjona, 14th Count of Salvatierra, Grandee of Spain is a Spanish equestrian. He competed in equestrian events at the 1992 Summer Olympics.
He is the current Count of Salvatierra and Duke of Arjona. He had been married to the Mexican-born model and TV personality Genoveva Casanova, with whom he has a son and a daughter. On 4 October 2025 he married Bárbara Mirjan, who works as a events coordinator.