Sarezzano ( Sarzàn Piedmontese ) is a municipality with 1184 (as of 31 December 2012) a population of Alessandria in the Italian province (AL ), Region Piedmont.
The municipality consists of the villages Baracca, Cucco, Palazzina, Rocca Grue, San Ruffino, Sant Innocenzo and Sarezzano. The neighboring municipalities are Berzano di Tortona, Cerreto Grue, Monleale Montegioco, Tortona, Viguzzolo and Villaromagnano.
The village lies at an altitude of 300 m above sea level. The municipality covers an area of 13.79 km ².