Ramsauer is a German surname. Notable people with the surname include:
Carl Ramsauer (1879–1955), professor of physics who discovered of the Ramsauer-Townsend effect Dieter Ramsauer (1939–2021), German engineer Johann Georg Ramsauer (1795–1874), Austrian mine operator, director of the excavations at the Hallstatt cemetery from 1846 to 1863 Katharina Ramsauer (born 1995), Austrian freestyle skier Ken Ramsauer (1954–1983), American businessman Peter Ramsauer (born 1954), German politician
See also Ramsauer Ache, a river of Bavaria, Germany Ramsauer–Townsend effect, physical phenomenon involving the scattering of low-energy electrons by atoms of a noble gas
de:Ramsauer