The Pays de Caux (/ˈpeɪ də koʊ/, French pronunciation: [pei də ko], literally Land of Caux) is an area in Normandy occupying the greater part of the French département of Seine Maritime in Normandy. It is a chalk plateau to the north of the Seine Estuary and extending to the cliffs on the English Channel coast; its coastline is known as the Côte d'Albâtre. In the east, it borders on the Pays de Bray where the strata below the chalk show through.
Cauchois is a notable dialect of the Norman language. The Pays de Caux is one of the remaining strongholds of the Norman language outside the Cotentin (or Cherbourg) peninsula.