Pentheikki is a village in Haparanda Municipality, in Norrbotten County, Sweden. Pentheikki lies at 2 m above sea level. The nearest city is Luleå, 80 km to the west. Beaches nearby: Tromsö (9.8 km). Among the landmarks around are Alatornio Church (15.5 km), Tornio Church (15.6 km) and Haparanda Church (14.0 km).