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

On 1 January 2017, the former communes of Bosc-Roger-sur-Buchy and Estouteville-Écalles were merged into Buchy.

[3] The inhabitants of the town of Buchy are called Buchois, Buchoises in French.

[4] A small farming town situated in the Pays de Bray some 16 miles (26 km) northeast of Rouen, at the junction of the D7, D41 and the D919 roads.

Montérolier-Buchy station has rail connections to Rouen, Lille and Amiens.