Klausen (; ; or ) is an urban (municipality) and a village in South Tyrol in northern Italy, located about northeast of the city of Bolzano. It is one of ("The most beautiful villages of Italy").
As of 30 November 2010, it had a population of 5,144 and an area of .
Klausen borders the following municipalities: Feldthurns, Lajen, Sarntal, Vahrn, Villanders and VillnöÃÂ.
The municipality of Klausen contains the frazioni (subdivisions, mainly villages and hamlets) Gufidaun (Gudon), Latzfons (Lazfons), and Verdings (Verdignes).
Klausen is first mentioned in 1027, in a document issued by emperor Conrad II, as Clausa sub Sabiona sita, meaning chasm below the Säben Abbey.
The emblem represents an argent dexter key on gules. The emblem was used as a seal from 1448, known from 1397 and granted in 1540 by Cardinal Bernhard von Cles, Bishop of Brixen.
According to the 2024 census, 90.66% of the population speak German, 8.46% Italian and 0.87% Ladin as a first language.