The canton of Clamart 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 Clamart.

The canton consists of the following communes:

• Clamart
• Vanves

• Canton of Montrouge (northeast)
• Canton of Issy-les-Moulineaux (northwest)
• Canton of Châtillon (east)
• Canton of Meudon (west)
• Canton of Châtenay-Malabry (southeast)

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

48°48′00″N 2°16′00″E / 48.8000°N 2.2667°E / 48.8000; 2.2667