乌斯蒂卡（意大利语：Ustica），是意大利巴勒莫省的一个市镇。总面积8平方公里，人口1302人，人口密度162.8人/平方公里（2009年）。ISTAT代码为082075。

Ustica (Sicilian: Ùstica) is the name of a small island, about 9 kilometres (6 mi) across, situated 52 kilometres (32 mi) north of Capo Gallo, Italy in the Tyrrhenian Sea. Roughly 1,300 people live in the comune (municipality) of the same name. There is regular ferry service from the island to Palermo, Italy.