恩纳（意大利语：Enna），是意大利恩纳省的一个市镇。总面积357.18平方公里，人口27963人，人口密度78.3人/平方公里（2009年）。ISTAT代码为086009。

Enna [ˈɛnna]  listen  (Sicilian: Castrugiuvanni; Greek: Ἔννα; Latin: Henna and less frequently Haenna) is a city and comune located roughly at the center of Sicily, southern Italy, in the province of Enna, towering above the surrounding countryside. It has earned the nicknames belvedere (panoramic viewpoint) and ombelico (navel) of Sicily.