Tour CBX or Tour Dexia is an office skyscraper located in Supercomplex 2 of the La Défense business district situated west of Paris, France.

The tower is built nearby the La Défense circular boulevard on its northern side, and a pedestrian bridge connects it to the district's esplanade on the southern side.

The CBX Tower has its name in the name of attributed codes to the buildings in the plan mass of the Defense.

For example: When the tower is looked at from the west, its shape recalls the shape of the Flatiron Building built in 1902 in New York City.

This article about a French building or structure is a stub.