Risch is a surname. Notable people with the surname include:
Bernhard Risch (1879–1962), Liechtenstein politician Ferdinand Risch (1880–1940), Liechtenstein politician Martin Risch (1899–1970), President of the Landtag of Liechtenstein Rudolf Risch (1908–1944), German cyclist Ernst Risch (1911–1988), Swiss hellenist and philologist Joan Risch (born 1930), Massachusetts woman who disappeared from her home in 1961 Jim Risch (born 1943), American politician Maurice Risch (born 1943), French actor Neil Risch, American geneticist Pierre Risch (born 1943), French artist Robert Henry Risch (born 1939), American mathematician Vicki Risch, First Lady of Idaho Patrick Risch (born 1968), Liechtenstein politician Daniel Risch (born 1978), Prime Minister of Liechtenstein
See also Risch algorithm Risch-Rotkreuz, formerly Risch, a municipality in Switzerland