Gratteri (Sicilian: Ratteri) is a comune (municipality) in the Metropolitan City of Palermo, in the Italian region of Sicily, located about 60 kilometres (37 mi) southeast of Palermo. As of 31 December 2004, it had a population of 1,050 and an area of 38.4 square kilometres (14.8 sq mi).

Gratteri borders the following comuni: Cefalù, Collesano, Isnello, Lascari.