Pablo de Porturas y Landázuri was a Spanish Hidalgo accountant and treasurer of the Viceroyalty of Perú administration.

Porturas y Landázuri was born in the town of Subijana-Morillas in the province of Álava, Basque Country in 1748. He was son of Juan de Gordóniz Porturas y Latatu and Josepha Ortiz de Landazuri y Arriaga. He married Juana Paula del Corral y Aranda in 1800 and died in Lima, Viceroyalty of Perú in 1818.

He worked as a visitor of the Arequipa Royal Treasury Office, accountant of the Trujillo Royal Treasury Office, accountant of the Cuzco Royal Treasury Office and treasurer minister of the Lima Royal Treasury Office.

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