The 2017–18 Coupe de France Preliminary Rounds made up the qualifying competition to decide which teams took part in the main competition from Round 7. This was the 101st season of the most major football cup in France. The competition was organised by the French Football Federation (FFF) and was open to all clubs in French football, as well as clubs from the overseas departments and territories (Guadeloupe, French Guiana, Martinique, Mayotte, New Caledonia (qualification via 2017 New Caledonia Cup), Tahiti (qualification via 2017 Tahiti Cup), Réunion, and Saint Martin).