Mareuil-Caubert (; ) is a commune in the Somme department in Hauts-de-France in northern France.
The commune is situated on the D3 road, some south of Abbeville, on the left bank of the river Somme.
The 12th-16th century church of Saint-Christophe, classed as a ë monument historique û.<br> Built in the Romanesque style in the 12th and 16th century, the church was originally part of a priory under the .