Pedro Fernández de Castro y Andrade better known as the Great Count of Lemos (1560–1622) was a Galician (Spanish) nobleman who was viceroy of Naples from 1608, and was also president of the Council of the Indies.
A member of the House of Castro, he was born at Monforte de Lemos.
King Philip III of Spain named him president of the Council of the Indies in 1587. During his tenure in southern Italy, he ordered the reconstruction of the University of Royal Studies in Naples, and commissioned the reclamation of lands of the Volturno plain in the Terra di Lavoro.
He was also the patron of writers such as Miguel Cervantes, Lope de Vega, Francisco de Quevedo, the Argensola brothers and others.
He died in Madrid in 1622.