Dippach (Luxembourgish: Dippech) is a commune and small town in south-western Luxembourg. It is part of the canton of Capellen, which is part of the district of Luxembourg. The commune's administrative centre is Schouweiler. The River Mess, a tributary of the Alzette, rises here.As of 2005, the town of Dippach, which lies in the north-east of the commune, has a population of 790. Other towns within the commune include Bettange-sur-Mess, Schouweiler, and Sprinkange.