Consthum (Luxembourgish: Konstem) is a village and a former commune in northern Luxembourg, in the canton of Clervaux.

On January 1, 2012, the commune merged with Hoscheid and Hosingen communes to form the commune of Parc Hosingen.

As of 2023[update], the village had a population of 299.

[1] The former commune consisted of the villages:

This article related to the geography of Clervaux canton is a stub.