Saint-Ouen (Picard: Saint-Ouin) is a commune in the Somme department in Hauts-de-France in northern France.
The commune is situated 14 miles (23 km) northwest of Amiens, at the D159 and D57 junction, in the valley of the Nièvre and about a mile from the A16 autoroute. The old Roman road, the Chaussée Brunehaut passes through the middle of the commune.
Alfred Manessier, (1911–1993). Artist, was born and buried at Saint-Ouen,