Jorge Manuel Rebelo Fernandes (born 1 September 1976), known as Silas, is a Portuguese former footballer who played as a midfielder, and is the manager of Sporting CP.
He amassed Primeira Liga totals of 236 matches and 30 goals over nine seasons, representing in the competition União de Leiria, MarÃtimo and Belenenses.
He also played professionally in four other countries, mainly Spain and Cyprus.