Riemann is a German surname. Notable people with this surname include the following:
Bernhard Riemann, mathematician (1826–1866)Christel Riemann-Hanewinckel, German politician (born 1947)Fritz Riemann, German chess master (1859–1932)Fritz Riemann (psychologist), German psychoanalyst (1902–1979)Hugo Riemann, German musicologist (1849–1919)Johannes Riemann, German actor (1888–1959)Katja Riemann, German actress (born 1963)Manuel Riemann, German soccer player (born 1988)Paula Riemann, German actress (born 1993)Solomon Riemann, Jewish traveller (died c. 1873)Ziska Riemann, German scriptwriter (born 1973)