Chateau Libertador Residence, Residential tower in Núñez, Argentina

Chateau Libertador Residence is a 40-storey, 130-metre residential building in a French style, located in the Núñez neighbourhood of Buenos Aires. It is a private residential tower, not open to visitors, and its construction proceeded without a file in the Directorate of Works, so the building was not registered.

Chateau Libertador Residence was built without a file in the Dirección de Obras, so the tower was not registered with the city. In early 2013 a fire broke out on the 18th floor and forced residents to evacuate. The 40-storey, 130-metre building later drew criticism from architect Justo Solsona, who called it "the grimace of an architecture of the past".

The building's French-style design and the "Chateau" in its name sit alongside a local reputation: in a 2013 survey residents called it the ugliest building in the city, and architect Justo Solsona described it as "the grimace of an architecture of the past." Its tenants include many figures from the Buenos Aires celebrity scene.

Chateau Libertador Residence is a private residential building, so access is limited to residents and their guests; visitors can see it from Avenida del Libertador in Núñez. The 40-storey, 130-metre tower is easy to locate from the street. In early 2013 a fire started on the 18th floor and forced residents to evacuate.

Although the building is a residential tower, it carries the name "Chateau", a French word that normally refers to a castle or manor house. This naming habit is common in Buenos Aires, where developers often borrow European words to give their projects a particular feel.