Karl Neumann

Karl Neumann may refer to:


 * Karl Friedrich Neumann (1793–1870), German orientalist
 * Karl Eugen Neumann (1865–1915), translated Buddhist scriptures into German
 * Karl August Neumann (1771–1866), German-Austrian chemist
 * Karl Johannes Neumann (1857–1917), German classical historian
 * Carl Neumann (1832–1925), German mathematician
 * Carl Magnus Neumann (born 1944), saxophonist