Dimitri Jakob Muller (September 18, 1935 – July 19, 2016) was a Swiss clown. He was born in Ascona, Switzerland. After graduating from school, Dimitri became an apprentice potter while studying music and theater. He went to Paris to study under Etienne Decroux, then Marcel Marceau. In 1971, Dimitri and his wife Gunda, started their own theatre. In 1975, he founded the "Scuola Teatro Dimitri" in Verscio. In 1973, he was awarded the Grock prize, and appeared with New York's Big Apple Circus. He was inducted into the International Clown Hall of Fame in 1995.