Deuil – Montmagny station is a railway station in Deuil-la-Barre, France, that also serves Montmagny. It is situated on the Épinay-Villetaneuse–Le Tréport-Mers railway, between Gare d'Épinay-Villetaneuse and Gare de Persan-Beaumont. It is served by Transilien trains from Paris-Nord to Persan-Beaumont and to Luzarches.