Offersøy is a village in Lødingen Municipality, in Nordland, Norway. Offersøy lies at 1 m above sea level, 1.4 km from the Lofoten mountains. The nearest city is Harstad, 65 km to the northeast. Among the landmarks around are Vestbygd Church (6.2 km), Tranøy Lighthouse (14.6 km) and Raftsund Bridge (24 km).