Calenzano (Italian pronunciation: [kalenˈdzaːno]) is a comune (municipality) in the Metropolitan City of Florence in the Italian region Tuscany, located about 11 kilometres (7 mi) northwest of Florence.

As of 31 December 2004, it had a population of 15,557 and an area of 76.9 square kilometres (29.7 sq mi).

[3] Calenzano borders the following municipalities: Barberino di Mugello, Campi Bisenzio, Prato, San Piero a Sieve, Sesto Fiorentino, Vaglia, Vaiano.

Calenzano has a station on the regional railway connecting it to Prato, Florence, Pistoia and Lucca.

Bus services connect it to Prato, Florence, Campi Bisenzio and Barberino di Mugello.