Tronzano Vercellese is a comune in the Province of Vercelli in the Italian region Piedmont, located about 50 kilometres northeast of Turin and about 20 kilometres west of Vercelli. Tronzano Vercellese borders the following municipalities: Alice Castello, Bianzè, Borgo d'Ale, Crova, Ronsecco, San Germano Vercellese, and Santhià.