Wertmüller
Wertmüller is a German-language surname. It is composed of Wert, meaning value or worth, and Müller, meaning miller. The name is most common in Germany and Austria, and may be found among communities of German descent in other countries. In non-German texts the umlaut is often rendered as Wertmueller or Wertmuller.
Notable people with the surname include Lina Wertmüller (1928–2020), an Italian film director of German descent.