Stefano Barrera (born 12 January 1980, in Siracusa) is an Italian foil fencer.
Barrera won the bronze medal for the foil 2006 World Fencing Championships after he lost 15-13 to Andrea Baldini in the semi-final.
Two years later, in the 2008 World Fencing Championships he won the team competition.
He belongs to Centro Sportivo Carabinieri, but he also trains with A.S. Frascati Scherma.
He won the bronze medal after a one-year and a half stop due to medical problems.