Octeville-sur-Mer (French pronunciation: [ɔktəvil syʁ mɛʁ], literally Octeville on Sea) is a commune in the Seine-Maritime department, Normandy, northern France.

It is twinned with Bourne End (Bucks) in United Kingdom since 2003 and with Furci Siculo (Sicily) in Italy since 2010.

A small farming town in the Pays de Caux with huge cliffs overlooking the English Channel, some 4 miles (6.4 km) north of Le Havre, at the junction of the D31 and D940 roads.

The commune covers a large area, and boasts an airport (of Le Havre), a golf course and several small villages and hamlets.

This Le Havre geographical article is a stub.