Långviken is a village in Piteå Municipality, in Norrbotten County, Sweden. Långviken lies at 35 m above sea level. The nearest city is Piteå, 20 km to the west. Beaches nearby: Mörösanden (7.9 km). Among the landmarks around are Nederluleå Church (27 km), Luleå Cathedral (23 km) and Norrbottens Museum (23 km). Among the natural features are Örsgrönnan (7.8 km).