Ernst Fischer may refer to:
- Ernst Fischer (composer) (1900–1975), German composer and keyboard player
- Ernst Fischer (writer) (1899–1972), Austrian journalist, writer and politician
- Ernst Otto Fischer (1918–2007), German chemist, Nobel prizewinner
- Ernst Gottfried Fischer (1754–1831), German chemist developer of stoichiometry theory together with Jeremias Richter
- Kuno Fischer (Ernst Kuno Berthold Fischer, 1824–1907), German philosopher
- Ernst Sigismund Fischer (1875–1954), Austrian mathematician
- Ernst Peter Fischer (born 1947), German historian of science, and science publicist
Famous quotes by ernst fischer:
“To provoke dreams of terror in the slumber of prosperity has become the moral duty of literature.”
—Ernst Fischer (1899–1972)