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,^[1] which joined the canton of Eu in 2015.^[2] It had a total of 10,681 inhabitants (2012).^[1]

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:^[1]

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