The Canton of Saint-Valery-en-Caux is a canton situated in the Seine-Maritime département and in the Normandy region of northern France.

An area of fishing, farming and associated light industry, centred on the port of Saint-Valery-en-Caux.

At the French canton reorganisation which came into effect in March 2015, the canton was expanded from 14 to 77 communes (7 of which merged into the new commune Terres-de-Caux):[2]