Clemency (Luxembourgish: Kënzeg, German: Küntzig) is a commune and town in south-western Luxembourg. It is part of the canton of Capellen, which is part of the district of Luxembourg.
As of 2006, the town of Clemency, which lies in the south-west of the commune, has a population of 1,823. The commune also includes the village of Fingig. Clemency is a rural community close to the Belgian border.