Ernst Arndt
Ernst Arndt is the name of the following people:
- Ernst Arndt (actor) (1861–1942), Austrian actor
- Ernst-Albert Arndt (1927–2014), German marine biologist
- Ernst Hermann Arndt (1807–1889), German builder
- Ernst Moritz Arndt (1769–1860), German poet
- Ernst Moritz Arndt (high school teacher) (1885–1962), German teacher and translator