First Lieutenant Roberto Néstor Estévez (24 February 1957, Posadas, Misiones – 28 May 1982, Malvinas Islands) was an Argentine Army officer who was killed in action in the Battle of Goose Green during the Falklands War (Spanish: Guerra de las Malvinas/Guerra del Atlántico Sur). He was posthumously awarded the Argentine Nation to the Heroic Valour in Combat Cross that year. His remains are buried at the Argentine Darwin Military Cemetery.