Rauscher is a German surname. Notable people with the surname include:

Andreas Rauscher (born 1978), Austrian footballer Christina Rauscher (1570–1618), German official and critic of witch trials Elizabeth Rauscher (1937–2019), American physicist Frank Rauscher III, cancer researcher Franz Rauscher (1900–1988), Austrian politician Frederick Rauscher (born 1961), American philosopher Joseph Othmar von Rauscher (1797–1875), Austrian Prince-Archbishop of Vienna

See also Briggs–Rauscher reaction