Oscar Ahumada is an Argentine football midfielder. He was born on August 31 1982, in the city of Zarate in the Buenos Aires Province of Argentina. He currently plays for Atalanta B.C. in Italy
Ahumada made his debut on November 24 2002 in a 2-1 victory against Olimpo de Bahia Blanca. He played a small part in helping River to the Clausura 2003 and 2004 championships before moving to Germany in 2004 for a short spell with VfL Wolfsburg before rejoining River later that year.