Klett may refer to:
People Arnulf Klett (1905–1974), mayor of Stuttgart, Germany August Klotz (1866–1928), also called August Klett, German artist Mark Klett (born 1952), American photographer Theodor von Cramer-Klett (1817–1884), German industrialist
Places Klett (Norway), a village in Trondheim municipality in Trøndelag county, Norway