The Canton of Blangy-sur-Bresle 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 consisted of 19 communes, which joined the canton of Eu in 2015. It had a total of 10,681 inhabitants (2012).

An area of farming, forestry and light industry (especially glassmaking) in the arrondissement of Dieppe, centred on the town of Blangy-sur-Bresle. The altitude varies from 27m (Monchaux-Soreng) to 223m (Villers-sous-Foucarmont) with an average altitude of 122m.

The canton comprised 19 communes:

Historical population of Canton of Blangy-sur-Bresle
(Source: INSEE)

Year	1962	1968	1975	1982	1990	1999
Population	9936	10844	10844	10929	10826	10859
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°53′18″N 1°36′08″E / 49.88833°N 1.60222°E / 49.88833; 1.60222