| Tour CBX | |
| Location: | La Défense (Courbevoie) |
| Coordinates: | 48.8911°N 2.2467°W |
| Start Date: | 2002 |
| Completion Date: | 2005 |
| Building Type: | Office |
| Antenna Spire: | 142m (466feet) |
| Roof: | 142m (466feet) |
| Floor Count: | 36 |
| Floor Area: | 40000m2 |
| Architect: | Kohn Pedersen Fox Associates, Saubot Rouit Metge |
Tour CBX or Tour Dexia is an office skyscraper located in Supercomplex 2 of the La Défense business district situated west of Paris, France.
Built from 2002 to 2005, the tower is 142 metres tall. 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 is also one of the few towers in La Défense having an inclined roof.
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.