Glauchau is a town in Germany, in Saxony, on the right bank of the Mulde, 7 miles north of Zwickau and 17 miles west of Chemnitz by rail. It is part of the Zwickau district.
Glauchau is twinned with Lynchburg, Virginia and, since 1991, Iserlohn, North Rhine-Westphalia. Glauchau station is on the Dresden–Werdau line.
Glauchau was founded by a colony of Sorbs and Wends, and belonged to the lords of Schönburg as early as the 12th century.
Some portions of the extensive old castle date from the 12th century, and the Gottesacker church contains interesting antiquarian relics.