Villalba is a comune (municipality) in the Province of Caltanissetta in the Italian region Sicily, located about 51 kilometres (32 mi) northwest of Caltanissetta, about 98 kilometres (61 mi) southeast of Palermo and 68 km from Agrigento. As of 31 December 2004, it had a population of 1,852 and an area of 41.5 square kilometres (16.0 sq mi). It rises over an internal hilly area, 620 meters above sea-level.

Donaldo Gugliermo "Dennis" Farina was an American stage and film actor, who prior to his acting career worked as a Chicago police detective.