Fernando Primo de Rivera y Sobremonte, 1st Marquess of Estella (24 July 1831 – 23 May 1921) was a Spanish army officer and politician.

He temporarily suspended hostilities in the Philippine Revolution through negotiations with Emilio Aguinaldo in the Pact of Biak-na-Bato.

He was created the 1st Marquess of Estella[4] on 25 May 1877, the 1,124th Knight of the Spanish Order of the Golden Fleece and the 287th Grand Cross of the Royal Order of Our Lady of the Concepcion of Vila Viçosa of Portugal in 1879.

He was married in Sevilla on 18 June 1857 to María del Pilar Arias-Quiroga y Escalera (Sevilla, Alcolea del Río, c. 1835 – 10 May 1894), 745th Dame of the Royal Order of Queen María Luisa, daughter of Juan Arias-Quiroga y Mejías, 7th Marquess of Arias-Quiroga and his wife María Manuela de Escalera y Fernández de Peñaranda, daughter of Roberto de Escalera y Fernandez de Peñarada, 46th Lord of Peñaranda, by whom he had no issue.

He was also the uncle of Miguel Primo de Rivera, the Spanish dictator, and granduncle of the founder of the Falange Española, Jose Antonio Primo de Rivera.