Cornelio Judas Tadeo de Saavedra y Rodríguez (September 15, 1759 in Otuyo – March 29, 1829 in Buenos Aires) was a military officer and statesman from the Viceroyalty of the Río de la Plata. He was instrumental in the May Revolution, the first step of Argentina's independence from Spain, and was appointed president of the Primera Junta.