The Canton of Clères is a former canton situated in the Seine-Maritime département and in the Haute-Normandie region of northern France. It was disbanded following the French canton reorganisation which came into effect in March 2015. It had a total of 22,992 inhabitants (2012).

An area of farmland and forests in the arrondissement of Rouen, centred on the town of Clères. The altitude varies from 42m (Montville) to 186 m (Le Bocasse) with an average altitude of 147m.

The canton comprised 22 communes:

Historical population of Canton of Clères
(Source: INSEE)

Year	1962	1968	1975	1982	1990	1999
Population	13236	14237	15224	17757	19244	21068
From the year 1962 on: No double counting—residents of multiple communes (e.g. students and military personnel) are counted only once.

• Arrondissements of the Seine-Maritime department
• Cantons of the Seine-Maritime department
• Communes of the Seine-Maritime department

49°34′48″N 1°08′48″E / 49.58000°N 1.14667°E / 49.58000; 1.14667