Rosolini (Sicilian: Rusalini) is a town in the Province of Syracuse, Sicily, Italy.
It is about 200 kilometres (120 mi) southeast of Palermo and about 40 kilometres (25 mi) southwest of Syracuse.
Rosolini was a town in feudal times, and was a settlement in the late Imperial Roman and Byzantine Ages. It was the Moncadas an old Sicilian dynasty, in the year of 1713, which founded the newer town of Rosolini.
As of 31 December 2004, it had a population of 20,927 and an area of 76.2 square kilometres (29.4 sq mi).
Rosolini borders the following municipalities: Ispica, Modica, Noto, Ragusa