Klaus Münster (born September 3, 1935, in Bad Köstritz, Germany) is a German actor and voice actor. Trained in Berlin, he began his career on stage in the former East Germany before continuing his theatre work in West Germany, Austria, and on international tours.

Since the early 1960s, Münster has appeared in more than 200 film and television productions, typically in supporting roles, ranging from popular genre films to works by acclaimed directors such as Wolfgang Staudte and Michael Verhoeven. In addition to his screen work, he has been active as a voice actor and as a writer and presenter for German television and radio.