Ignacio Álvarez Thomas

José Ignacio Álvarez Thomas (15 February 1787 – 20 July 1857) was a Peruvian-born Argentine military officer, statesman and diplomat. He served as interim Supreme Director of the United Provinces of the Río de la Plata between 6 May 1815 and 16 April 1816, in the transitional period following the fall of Carlos María de Alvear and prior to the acting directorship of Antonio González de Balcarce. He later held ministerial and diplomatic posts in Peru and Chile and lived in exile during the rule of Juan Manuel de Rosas.