Klotz may refer to:
Klotz (surname) (including a list of people with the name) Klotz, a fictional place in Überwald in Discworld, a fantasy book series 10222 Klotz, an asteroid; see List of asteroids/10001–11000 Klotz (violin makers), Bavarian family of violin makers since the mid-17th century Klotz Digital, a German multinational manufacturer of commercial audio systems
See also Cloots Kloc (disambiguation)