Fällträsk is a village in Luleå Municipality, in Norrbotten County, Sweden. Fällträsk lies at 17 m above sea level. It has 63 inhabitants. The nearest city is Luleå, 24 km to the east. Among the landmarks around are Nederluleå Church (22 km), Boden Fortress (29 km) and Luleå Cathedral (24 km).