List of Famous people with last name Sidonia

Luisa Isabel Alvarez de Toledo y Maura, 21st Duchess of Medina Sidonia, GE was the holder of the Dukedom of Medina Sidonia in Spain. She was nicknamed La Duquesa Roja or The Red Duchess due to her lifelong left-wing, anti-Francoist, pro-democracy political activism.

Alonso Pérez de Guzmán y de Zúñiga-Sotomayor, 7th Duke of Medina Sidonia, GE, was a Spanish aristocrat who was most noted for his role as commander of the Spanish Armada that was to attack the south of England in 1588. He was a great-great grandson of Ferdinand II of Aragon.

Don José Álvarez de Toledo Osorio y Gonzaga, 11th Marquess of Villafranca, Grandee of Spain, jure uxoris Duke of Alba de Tormes, Grandee of Spain was a patron of the artist Francisco Goya.