Auffay (French pronunciation: [ofɛ]) is a former commune in the Seine-Maritime department in the Normandy region in northern France. On 1 January 2019, it was merged into the new commune Val-de-Scie.

A village of farming and associated light industry, situated in the valley of the Scie of the Pays de Caux, some 18 miles (29 km) south of Dieppe at the junction of the D50, D22, D3 and D301 roads.

The arms of Auffay are blazoned : Azure, a beech tree proper impaled with Gules, an episcopal crozier and a sword inverted in saltire argent.

Historical population of Auffay

Year	1962	1968	1975	1982	1990	1999	2006	2015
Population	1448	1432	1702	1788	1888	1867	1793	1877
From the year 1962 on: No double counting—residents of multiple communes (e.g. students and military personnel) are counted only once.

• The collegial church of Notre-Dame, dating from the eleventh century.
• The eighteenth-century stone cross.
• The seventeenth-century château du Bosmelet.

• Bleckede, Germany since 1977
• Monreal del Campo, Spain

• Communes of the Seine-Maritime department

• Auffray Tourist office website (in French)