- Austrian psychiatrist and psychologist.
- U.S. religious leader and Jewish scholar.
- U.S. educator, reformer, and writer.
- U.S. orchestra conductor, born in Austria.
- U.S. harmonica player.
- U.S. philosopher, educator, and author.
- U.S. orchestra conductor, born in Austria-Hungary.
- Alfred (ˈalfreːt). 1870–1937, Austrian psychiatrist, noted for his descriptions of overcompensation and inferiority feelings
- Larry, full name Lawrence Cecil Adler. 1914–2001, US harmonica player
