Mesnil-Martinsart (French pronunciation: [menil maʁtɛ̃saʁ]) is a commune in the Somme département in Hauts-de-France in northern France.

The commune is situated on the D174 road, some 22 miles (35 km) northeast of Amiens.

This Arrondissement of Péronne geographical article is a stub.

You can help Wikipedia by expanding it.