Caerano di San Marco, or simply Caerano, is a town with 7,813 inhabitants in the province of Treviso.

The province of Treviso is a province in the Veneto region of Italy. Its capital is the city of Treviso. The province is surrounded by Belluno in the north, Vicenza in the west, Padua in southwest, Venice in the south-east and Friuli-Venezia Giulia in the east. The current President of Treviso is Stefano Marcon, elected in September 2016. He is also the current mayor of Castelfranco Veneto.