Ernst Adler
Ernst Adler is the name of the following people:
- Ernst Adler (entrepreneur, 1862) (1862–1938), Bohemian entrepreneur
- Ernst Adler (entrepreneur, 1873) (1873–1932), Austro-Hungarian entrepreneur and composer
- Ernst Adler (librarian) (1898–1981), German librarian
- Ernst Adler (translator) (1903 – after 1976), Austrian lawyer and translator