Alfred Ernst
Alfred Ernst is the name of the following people:
- Alfred Ernst (conservator) (1817–1910), founding member and conservator of the Kunstverein Winterthur 1877–1910
- Alfred Ernst (botanist) (1875–1968), Swiss botanist
- Alfred Ernst (politician) (1895–1953), German politician (NSDAP)
- Alfred Ernst (officer) (1904–1973), Swiss lawyer, officer and military strategist