朗岛是挪威的岛屿，位于该国北部挪威海，由诺尔兰郡负责管辖，长50公里、宽40公里，面积850平方公里，是该国第三大岛屿，最高点海拔高度763米，2001年人口15,844。

Langøya is the third largest island of Norway (except for Svalbard), with an area of 850.2 square kilometres (328.3 sq mi). The island is a part of the Vesterålen archipelago and is situated in Nordland county. The island includes the municipalities of Bø and Øksnes as well as parts of the municipalities of Sortland and Hadsel.