Carlos Falcó y Fernández de Córdoba, 5th Marquess of Griñón, GE (3 February 1937 – 20 March 2020) was a Spanish peer, businessman and socialite.

Born at Palacio de las Dueñas in Seville, he was the third child and second son of Manuel Falcó y Escandón, 9th Duke of Montellano, 11th Marquess of Castel-Moncayo, 9th Marquess of Pons, Grandee of Spain, and his wife Hilda Fernández de Córdoba y Mariátegui, notable huntress, 12th Marchioness of Mirabel, 3rd Countess of Santa Isabel, 10th Countess of Berantevilla.

Falcó succeeded to the Marquessate of Griñón in 1955, when his maternal grandfather ceded the title to him.

[1] In 1978, Falcó inherited the Marquessate of Castel-Moncayo after the death of his father, thus becoming a Grandee of Spain.

[2] He managed the family estate-bottled wine brand "Marqués de Griñón", which earned him high recognition.