Gerhard Haas
Gerhard Haas is the name of the following people:
- Gerhard Haas (trade unionist) , German trade unionist
- Gerhard Haas (zoologist) (1923-2006), German zoologist
- Gerhard Haas (Germanist) (1929–2011), German Germanist and university professor
- Gerhard Haas (electrical engineer) , German electrical engineer and author
