Ernst Neumann
Ernst Neumann is the name of the following people:
- Ernst Neumann (pathologist) (1834-1918), German pathologist and hematologist
- Ernst Neumann (writer) (pseudonym Ernst von Altenberg-Steindorf ; 1853–1914), German writer
- Ernst Neumann (politician) (1888–1955), German politician (NSDAP)
- Ernst Neumann (painter) (1907–1956), Canadian painter of Austrian origin
- Ernst Neumann-Neander (1871–1954), German artist and inventor
- Ernst Richard Neumann (1875–1955), German mathematician