Luis José de Orbegoso y Moncada-Galindo, de Burutarán y Morales 5th conde de Olmos (August 25, 1795 – February 5, 1847), an aristocratic Peruvian soldier and politician, serves as the 11th and 12th President of Peru as well as the first President of North Peru.

This is a time of profound social instability and continuing civil war which leads his government to coexist with that of Pedro Pablo Bermúdez, and later with Felipe Santiago Salaverry.