Juan de Zúñiga y Avellaneda (1551 - 4 September 1608) was a Spanish nobleman during the reigns of Philip II and Philip III.
He was a Knight of the Military Order of Santiago, the 6th consort count, iure uxoris, of Miranda del Castañar, a title awarded by king Henry IV of Castile on 9 February 1457 and the 1st duke of Peñaranda de Duero, a title awarded by king Philip III on 22 May 1608.
In 1583, under king Philip II, he succeeded Carlo d'Aragona Tagliavia as Viceroy of Catalonia, a position he held until 1586 when he was succeeded by Manrique de Lara y Girón. In 1586 he succeeded Pedro Girón, 1st Duke of Osuna to become the Viceroy of Naples and was succeeded by Enrique de Guzmán, 2nd Count of Olivares in 1595.
He served as President of the Council of Italy and, in 1600-1606, as the President of the Council of Castile, by then at the service of king Philip III of Spain.
| Government offices | ||
|---|---|---|
| Preceded by Carlo d'Aragona Tagliavia |
Viceroy of Catalonia 1583-1585 |
Succeeded by Manrique de Lara y Girón |
| Preceded by Pedro Téllez-Girón y de la Cueva |
Viceroy of Naples 1586-1595 |
Succeeded by Enrique de Guzmán |