Luis Antonio Fernández de Córdoba y Spínola (Madrid, 20 September 1704 - Madrid, 14 January 1768), XI Duke of Medinaceli, X Duke of Feria, IX Duke of Alcalá de los Gazules, XI Duke of Segorbe, XII Duke of Cardona and X Count of Santa Gadea, was a Spanish aristocrat who served the Royal Spanish House.
He was the eldest son of Nicolás Fernández de Córdoba, 10th Duke of Medinaceli and Jerónima María Spínola y de la Cerda.
The King appointed him in 1749 Caballerizo mayor, a position he would hold under the new King Charles III of Spain, until the end of his life.
He married on 19 November 1722 with María Teresa de Moncada and Benavides (1707-1756) who would become, after the death of her father in 1727, the VII Duchess of Camiña, VII Marquise of Aytona, V Marquise of la Puebla de Castro and XI Countess of Medellín.They had 1 son and 3 daughters.
In 1763 he remarried with María Francisca Pignatelli de Aragón y Gonzaga (1747-1769), daughter of Joaquín Pignatelli, Count of Fuentes.