San Pietro Viminario is a comune in the Province of Padua in the Italian region Veneto, located about 45 kilometres southwest of Venice and about 20 kilometres south of Padua. As of 31 December 2004, it had a population of 2,680 and an area of 13.3 square kilometres. San Pietro Viminario borders the following municipalities: Cartura, Conselve, Monselice, Pernumia, Tribano.