Joaquín González de la Pezuela Griñán y Sánchez de Aragón Muñoz de Velasco, 1st Marquess of Viluma, was a Spanish military officer and viceroy of Peru during the Peruvian War of Independence.

The Peruvian War of Independence was a series of military conflicts in Peru from 1809 to 1826 that resulted in the country's independence from the Spanish Empire. Part of the broader Spanish American wars of independence, it led to the dissolution of the Spanish Viceroyalty of Peru.