Ernst Schmitz
Ernst Schmitz is the name of the following people:
- Ernst Schmitz (priest) (1845–1922), German religious priest and natural scientist
- Ernst Schmitz (painter) (1859–1917), German painter
- Ernst Schmitz (lawyer) (1895–1942), German legal scholar
- Ernst Schmitz (chemist) (* 1928), German chemist and university professor
- Ernst Ludwig Eberhard Schmitz (1882–1960), German chemist and university professor