The Roman Catholic Archdiocese of Tucumán (Latin: Archidioecesis Tucumanensis) is in Argentina and is a metropolitan diocese.

Its suffragan sees include Añatuya, Concepción and Santiago del Estero.

Pope Pius XII elevated it to an archdiocese on 11 February 1957.

It lost territory to the Diocese of Concepción when it was created in 1963.

This article on a Roman Catholic diocese in Argentina is a stub.