| Dukedom of Fernán Núñez | |
| Creation Date: | 1639; Count of Fernán Núñez 1817; Duke of Fernán Núñez |
| First Holder: | Carlos José Gutiérrez de los Ríos y Sarmiento de Sotomayor, 1st Duke of Fernán Núñez |
| Present Holder: | Manuel Falcó y Anchorena, 6th Duke of Fernán Núñez[1] |
Duke of Fernán Núñez (Spanish; Castilian: Duque de Fernán Núñez) is a hereditary title of nobility in the Peerage of Spain accompanied by the dignity of Grandee.[2] The Countship of Fernán Núñez granted in 1639 to Alonso Gutiérrez de los Ríos was elevated to a dukedom in 1817 in the person of Carlos Gutiérrez de los Ríos, who became the 1st Duke of Fernán Núñez.[3] The accompanying Grandeeship was granted in 1728, prior to being elevated to a Dukedom.
The name makes reference to the municipality of Fernán Núñez, in Cordoba, Spain.
The ducal palace of Fernán Núñez was built in Fernán Núñez, Córdoba, between 1783 and 1787. It is one of the most important buildings of civil character in the province of Córdoba, declared an Asset of Cultural Interest in 1983. Of neoclassical architecture, it was built by the 6th Count of Fernán Núñez, during his time as ambassador in Portugal. The palace is inspired by the facade of the Necessidades Palace of the Portuguese capital, where the Spanish embassy was located at the time.