Barkhausen is a German surname. Notable people with the surname include:
David N. Barkhausen (born 1950), American politician and lawyer Heinrich Barkhausen (1881–1956), German physicist from Bremen Louis Henry Barkhausen (1877–1962), American stamp collector from Chicago
See also Barkhausen effect, the discontinuous change of magnetization in a ferromagnetic material when the applied magnetic field is changed Barkhausen stability criterion, in electronic circuits Barkhausen–Kurz tube, electronic vacuum tube oscillator