Ragusa (Italian: [raˈɡuːza] ; Sicilian: Rausa [raˈuːsa]; Latin: Ragusia) is a city and comune, capital of the province of Ragusa in the autonomous island region of Sicily in southern Italy. As of 2025, with a population of 73,778, Ragusa is the 6th-largest city in Sicily and the 74th-largest in Italy.
It is built on a wide limestone hill between two deep valleys, Cava San Leonardo and Cava Santa Domenica. Together with seven other cities in the Val di Noto, it is part of a UNESCO World Heritage Site.