José Andrés Pacheco de Melo (17 October 1779 – approx. 1820) was an Argentine

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

 statesman and priest. He was a representative to the Congress of Tucumán

Congress of Tucumán

The Congress of Tucumán was the representative assembly, initially meeting in Tucumán, that declared the independence of the United Provinces of South America on July 9, 1816, from the Spanish Empire....

 which on 9 July 1816 declared the Independence of Argentina

Argentine Declaration of Independence

What today is commonly referred as the Independence of Argentina was declared on July 9, 1816 by the Congress of Tucumán. In reality, the congressmen that were assembled in Tucumán declared the independence of the United Provinces of South America, which is still today one of the legal names of the...

.

Pacheco de Melo was born in Salta

Salta

Salta is a city in northwestern Argentina and the capital city of the Salta Province. Along with its metropolitan area, it has a population of 464,678 inhabitants as of the , making it Argentina's eighth largest city.-Overview:...

 and studied there alongside Martín Güemes. He entered the seminary

Seminary

A seminary, theological college, or divinity school is an institution of secondary or post-secondary education for educating students in theology, generally to prepare them for ordination as clergy or for other ministry...

 of Our Lady of Loreto in Córdoba

Córdoba, Argentina

Córdoba is a city located near the geographical center of Argentina, in the foothills of the Sierras Chicas on the Suquía River, about northwest of Buenos Aires. It is the capital of Córdoba Province. Córdoba is the second-largest city in Argentina after the federal capital Buenos Aires, with...

 and was ordained in 1801 by Bishop Moscoso of Tucumán.

Pacheco de Melo became a priest in Livi-Livi in Chichas (now Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

) and used his position to assist the revolutionary forces in Alto Perú.
He was elected by Chichas to the Tucumán Congress and served in 1816 for the declaration, although there had been a long debate about the legitimacy of his election.

After the Congress moved to Buenos Aires

Buenos Aires

Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after São Paulo. It is located on the western shore of the estuary of the Río de la Plata, on the southeastern coast of the South American continent...

 Pacheco de Melo chaired it in 1818. He subsequently served as a government minister in Mendoza

Mendoza, Argentina

Mendoza is the capital city of Mendoza Province, in Argentina. It is located in the northern-central part of the province, in a region of foothills and high plains, on the eastern side of the Andes. As of the , Mendoza's population was 110,993...

. His death is unclear, believed to have been in 1820 http://www.me.gov.ar/efeme/9dejulio/pacheco.html, and Urquidi notes that he died in Chichas.