Asnières-sur-Seine is a commune located in the Hauts-de-Seine department within the Île-de-France region of northern France. Situated on the left bank of the river Seine, it lies approximately eight kilometres from the center of Paris in the northwestern suburbs of the French capital.
The inhabitants of the commune are referred to as Asniérois (masculine) and Asniéroises (feminine). The area is scheduled to be served by Line 15 of the Paris Métro by the year 2030.