Gaspar Téllez-Girón, 5th Duke of Osuna

Gaspar Téllez-Girón, 5th Duke de Osuna (25 May 1625 – Madrid, 2 June 1694), 5th Marquess of Peñafiel, 9th Count of Ureña and other lesser titles, was a Spanish general and a Grandee of Spain.

He was Viceroy of Catalonia, 1667–1669, Governor of the Duchy of Milan, Italy, (1670–1674), when he was replaced by Claude Lamoral, Prince of Ligne.

In his first marriage in 1645 he married a cousin, Feliche de Sandoval Rojas y Enriquez de Cabrera, named as her mother Felice, deceased in Milan, Italy on 7 October 1671, who held her own inherited title of 4th Duchess of Uceda and was therefore, also a Grandee of Spain on her own rights.

The children who survived, (5 out of 7), were all daughters who married within the pinnacle of the highest Spanish Nobility of the time.

He married again in 1672, aged 47, 19 years old Ana Antonia Francisca, (1653–1707), 4th Marchioness of Caracena.