Santiago Iván Acosta (born July 4, 1979) is an Argentine flyweight boxer.

As an amateur Acosta competed for his native country at the 2003 Pan American Games in Santo Domingo, Dominican Republic, where he was stopped in the second round of the men's flyweight division (– 51 kg) by Mexico's eventual bronze medalist Raúl Hilares.

Acosta made his professional debut on April 21, 2004 against Juan Manuel Altamirano.

On April 4, 2012, Acosta loss against Liborio Solis on a twelve round unanimous decision[1]

This biographical article related to an Argentine boxer is a stub.