朗厄兰岛是丹麦的岛屿，位于大贝尔特海峡南部，由南丹麦大区负责管辖，长52公里、宽11公里，面积285平方公里，最高点海拔高度46米，2010年人口13,277。

• Official tourist information site for Langeland
• Guide to Langeland

Langeland is a Danish island located between the Great Belt and Bay of Kiel. The island measures 285 km (c. 110 square miles) and, as of 1 January 2010, has a population of 13,277. The island produces grain and is known as a recreational area. A bridge connects it to Tåsinge via Siø - a small island with a population of approx. 20 - and the main island of Funen (to the northwest). There are connections by car ferry to the islands of Lolland, Ærø, and Strynø.