Otto Adler

Otto Adler is the name of the following people:

• Otto Adler (union leader) (1876–1948), German union official and politician (SPD)
• Otto Adler (zoologist) (1915–1967), Austrian forest engineer, zoologist and ornithologist
• Otto Adler (functionary) (1929–2014), Romanian engineer, Holocaust survivor and Jewish functionary

This is a disambiguation page for differentiating between several terms identified with the same word.