Reduit or Réduit may refer to: Reduit - a fortified structure such as a citadel Réduit, Moka - a suburb in the village of Moka, Mauritius National Redoubt (Belgium) () - a defensive belt of fortifications in Belgium Fort du Trou-d'Enfer ( Réduit du Trou-d'Enfer) - one of the fortifications of Paris Réduit (Switzerland) - the Swiss National Redoubt