The canton of Bagneux is a French administrative division, located in the arrondissement of Antony, in the Hauts-de-Seine département (Île-de-France région). Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Bagneux.

The canton consists of the following communes:

• Bagneux
• Bourg-la-Reine

• Canton of Montrouge (north)
• Canton of Châtillon (west)
• Canton of Châtenay-Malabry (southwest)
• Canton of Antony (south)

• Cantons of the Hauts-de-Seine department
• Communes of the Hauts-de-Seine department

48°48′00″N 2°18′00″E / 48.8000°N 2.3000°E / 48.8000; 2.3000