The province of Vercelli (Italian: provincia di Vercelli) is a province in the Piedmont region of Italy. Its capital is Vercelli.

As of 2015, it has an area of 2,081 square kilometres (803 sq mi) and a total population of some 176,000. It is an area known for the cultivation of rice.

In 2003, UNESCO added the Sacred Mountain of Varallo to the World Heritage List.

Other historical sights include the Basilica of Sant'Andrea in Vercelli.