Rosay (French pronunciation: [ʁozɛ]) is a commune in the Seine-Maritime department in the Normandy region in northern France.

A forestry and farming village situated by the banks of the river Varenne in the Pays de Bray at the junction of the D195, D97 and the D98 roads, some 16 miles (26 km) south of Dieppe.

Historical population

Year	Pop.	±% p.a.
1968	301	—
1975	267	−1.70%
1982	251	−0.88%
1990	280	+1.38%
1999	252	−1.16%
2007	265	+0.63%
2012	271	+0.45%
2017	267	−0.30%
Source: INSEE

• The twelfth century church of St. Etienne.
• A museum of cider.

• Communes of the Seine-Maritime department