Karl Hackl

Karl Hackl is the name of the following people:

• Karl Hackl (psychologist) (1889–1958), Austrian mechanical engineer and psychotechnician
• Karl Hackl (politician) (1920–1982), Austrian politician (SPÖ), member of the state parliament
• Karl Hackl (legal historian) (1933–2018), Austrian legal historian

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