The Canton of Boos 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 38,802 inhabitants (2012).

An area of farming and light industry in the arrondissement of Rouen, centred on the town of Boos. The altitude varies from 2m (Les Authieux-sur-le-Port-Saint-Ouen) to 162m (Le Mesnil-Esnard) with an average altitude of 142m.

The canton comprised 15 communes:

Historical population of Canton of Boos
(Source: INSEE)

Year	1962	1968	1975	1982	1990	1999
Population	14701	16371	21066	26524	32348	35567
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°23′04″N 1°11′00″E / 49.38444°N 1.18333°E / 49.38444; 1.18333