Auquemesnil is a former commune in the Seine-Maritime department in the Normandy region in northern France. On 1 January 2016, it was merged into the new commune of Petit-Caux.

A farming village situated in the Pays de Caux, some 12 miles (19 km) east of Dieppe on the D22 road.

The arms of Auquemesnil are blazoned : Argent, on a bend azure between 2 oaks eradicated vert, 3 stalks of wheat palewise Or.

Historical population of Auquemesnil

Year	1962	1968	1975	1982	1990	1999	2006	2015
Population	289	288	259	241	239	245	299	278
From the year 1962 on: No double counting—residents of multiple communes (e.g. students and military personnel) are counted only once.

• The twelfth century church of St.Laurent.

• Communes of the Seine-Maritime department