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

A farming village in the Petit Caux district, situated some 10 miles (16 km) northeast of Dieppe, at the junction of the D222 and D113 roads.

The arms of Assigny are blazoned : Azure, on a fess Or between 2 eagles and a crowned lion argent, a pinecone reversed between 2 mallets gules.

Historical population of Assigny, Seine-Maritime

Year	1962	1968	1975	1982	1990	1999	2006	2013
Population	237	248	237	238	287	306	331	384
From the year 1962 on: No double counting—residents of multiple communes (e.g. students and military personnel) are counted only once.

• The church of St. Médard, dating from the twelfth century.
• The château dating from the sixteenth century
• A wind farm, on the outskirts of the commune.

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  The windmills of Assigny
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• Communes of the Seine-Maritime department

• Website showing photos of Assigny and the region (in French)