Ceregnano (Venetian: Zernian) is a comune (municipality) in the Province of Rovigo in the Italian region Veneto, located about 60 kilometres (37 mi) southwest of Venice and about 8 kilometres (5 mi) southeast of Rovigo. As of 31 December 2004, it had a population of 3,951 and an area of 30.0 square kilometres (11.6 sq mi). Ceregnano borders the following municipalities: Adria, Crespino, Gavello, Rovigo, Villadose.