Sandro Casamonica (born December 3, 1969, in Rome) is a professional boxer from Italy, who won the bronze medal in the featherweight division at the 1989 European Amateur Boxing Championships in Athens, Greece.

Casamonica won the WBO Inter-Continental Lightweight Title on December 17, 1999, by defeating Victor Baute of Spain.

A year later he captured the WBA International Lightweight Title after knocking down Hungary's Zoltan Kalocsai.

He was stripped of the title on February 18, 2002, due to his failure to defend his belt against Miguel Callist.

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