St. Blasien is a small town located in the Waldshut district in Baden-Württemberg, Germany. It is situated in the Southern Black Forest, 17 km northeast of Waldshut-Tiengen.
St. Blaise's Abbey in the Black Forest is located in St. Blasien. The town is twinned with Saint-Blaise in Switzerland. It is home to the Jesuit college-preparatory school, Kolleg St. Blasien.