Sigmaringendorf is a municipality in Sigmaringen in Baden-Württemberg in Germany. In Sigmaringendorf the small river Lauchert flows into the Danube. It has an open-air-theatre called Waldbühne Sigmaringendorf. It has two localities are Sigmaringendorf and Laucherthal. The current mayor of Sigmaringendorf is Phillip Schwaiger since 2017.