The Canton of Montivilliers is a former canton situated in the Seine-Maritime département and 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 35,156 inhabitants (2012).
An area of farming and light industry in the arrondissement of Le Havre, centred on the town of Montivilliers. The altitude varies from 0m (Cauville-sur-Mer) to 118m (Manéglise) with an average altitude of 55m.
The canton comprised 11 communes: