Cauchois (French pronunciation: [koʃwa]; Norman: Caucheis) is one of the eastern dialects of the Norman language that is spoken in and takes its name from the Pays de Caux region of the Seine-Maritime department.
The Pays de Caux is one of the remaining strongholds of the Norman language outside the Cotentin.
These are some distinguishing features of Cauchois from other Norman dialects: The Purin literature of the 17th and 18th centuries, published in Rouen, is the earliest Norman literature displaying Cauchois features.
Notable writers in Cauchois include Gabriel Benoist (author of the Thanase Pèqueu stories), Ernest Morel, Gaston Demongé, Maurice Le Sieutre and Marceau Rieul.
Jehan Le Povremoyne (pseudonym of Ernest Coquin) wrote stories of the mixed dialogue genre, as did Raymond Mensire.