Klaus Mitffoch was a Polish post-punk group founded in 1979 in Wrocław. The band gained a large underground following. They recorded their first single Ogniowe Strzelby/Śmielej in 1983 and their debut album Klaus Mitffoch in 1984. It received several awards and is considered one of the most important albums in the history of Polish rock music. The band disintegrated in 1984.