Koninklijke Voetbal Club Westerlo is a Belgian professional football club located in the city of Westerlo in the province of Antwerp. Westerlo has been playing in the Belgian Pro League since 1997–98. They have won one Belgian Cup. The club was founded in 1933, receiving the matricule number 2024. Their colours are yellow and blue.
Westerlo plays its home matches at Het Kuipje, which means "The Small Tank" in Dutch. It is believed to be reference to the Feijenoord Stadion that is nicknamed De Kuip ("The Tank"). Its capacity is of 7,982 with 5,556 seats.