Langeneß
is a municipality in the district of Nordfriesland, in Schleswig-Holstein, Germany. It consists of the halligen Langeneß and Oland. Before the flood of 1634 the two islands were directly attached.
Langeneß itself has 16 Warften and is the largest Hallig. It has about 100 inhabitants and 58 households. There is an elementary school and an information center providing information about the national park and the Wadden-Sea at Peterswarf. A railway connects it to the mainland at Dagebüll via Oland. A ferry provides daily service to the mainland.
