The Boerentoren (; officially the KBC Tower, originally the Torengebouw van Antwerpen) is a historic high-rise building in Antwerp, Belgium. Constructed between 1929 and 1932 and originally high, it remained the tallest building and the second tallest structure of any kind in the city (after the gothic Cathedral of Our Lady) until 2019, when the Antwerp Tower surpassed it with a height of . At the time of construction it was the second tallest building in Europe by roof height (after Telefónica Building).
Designed in Art-deco style, the Boerentoren is one of Europe's very first tall buildings. The Boerentoren remained the tallest in Belgium until 1960, and is currently ranked 21st tallest in the country. In 1954 the tower was extended with an antenna which reached to a total height of . In 1976, the roof of the tower was raised by , and the current roof height is therefore . The building was designed by Jan Van Hoenacker.
In 2020, the company Katoen Natie acquired the tower with the intention of turning it into a cultural institution, while The Phoebus Foundation chancellery will be responsible for organizing permanent and temporary exhibitions with works from its collection, alongside public and private collaborations.