Clervaux (Luxembourgish: Klierf, German: Clerf) is a commune and town in northern Luxembourg, administrative capital of the canton of Clervaux.
As of 2005[update], the town of Clervaux, which lies in the north of the commune, has a population of 1,037. Other towns within the commune include Eselborn, Reuler, and Weicherdange.
The Family of Man a famous exhibit of photos collected by Edward Steichen is on permanent display at the Castle of Clervaux.
The Saint-Maurice and Saint Maur Abbey is situated close to the town of Clervaux. Notable associations include Halldór Laxness, 1902-1998, the Nobel Prize-winning Icelandic writer, who converted to Roman Catholicism while visiting the Abbey. A Roman Catholic mission to Scandinavia has for many years maintained a base at the Abbey.