马尔居（法语：Margut）是法国香槟-阿登大区阿登省的一个市镇，属于色当区卡里尼昂县。该市镇2009年时的人口为789人。

马尔居人口变化图示

数据来源：INSEE

Margut is a commune in the Ardennes department in northern France.

Margut is a small village of 860 inhabitants located in the canton of Carignan, in the eastern part of the department of Ardennes . Administratively attached to the Champagne-Ardenne, the town is under the influence of Margut Lorraine and Gaume, in the department of Meuse as the borders of Belgium are less than five miles as the crow flies.