Lucas Emanuel Acosta (born January 26, 1988) is an Argentine football midfielder. He made his professional debut while playing for Colón de Santa Fe on August 5, 2006 in a 4–1 home defeat Independiente. In July 2011, he was transferred to newly promoted San Martín de San Juan, who later loaned him to Ecuadorian-club LDU Quito for a year.