Wolf Caspar Klengel, from 1664 von Klengel (8 June 1630 – 10 January 1691), was a German architect in Saxony,
Klengel was born in Dresden, the second son of Caspar Klengel. He built in Dresden the first opera house, the Opernhaus am Taschenberg, and in 1672 the chapel of Schloss Moritzburg, among others.