The Campionati Internazionali di Sicilia was a men's professional tennis tournament held annually in Palermo in Italy. Held from 1935 until 2006, the tournament was played on outdoor clay courts and was a part of the ATP Tour schedule from 1990 to 2006. The event was part of the ATP World Series from 1990 until 1999 and part of its successor, the ATP International Series, from 2000 to until its final edition in 2006.