Longpont is a commune in the Aisne department in Hauts-de-France in northern France. It is around 13 km southwest of Soissons, and around 75 km northeast of Paris. As at 2018 it has a population of 255. The former Longpont Abbey is situated in the commune. On 8 January 2015 the town was locked down in the search for the suspects in the Charlie Hebdo shooting.