Lognes is a community in the eastern suburbs of Paris, France. It is located in the Seine-et-Marne department in the Île-de-France 20.7 km (12.9 mi) from the centre of Paris. The community of Lognes is part of the Val Maubuée sector, one of the four sectors in the "new town" of Marne-la-Vallée. Lognes is served by Lognes station on Paris RER line A.
Lognes has a population of over 14,268 people. Lognes also forms part of the wider Paris metropolitan area which has a population of over 12,628,266 people.