Halsön may refer to: Halsön, Kalix, an island in the Kalix archipelago of the Bothnian bay Halsön, Skellefteå, an island in the Skellefteå archipelago the Bothnian bay Halsön, Korsnäs, an island in the Kvarken (Quark) archipelago in the Bothnian Sea Hälsö, an island in Västra Götaland County, Sweden