Lundbäck is a village in Skellefteå Municipality, in Västerbotten County, Sweden. Lundbäck lies at 42 m above sea level. The nearest city is Skellefteå, 26 km to the southwest. Among the landmarks around are Byske Church (2.7 km), Finnträsk Church (15.8 km) and Kåge Church (16.4 km).