Achenbach is a (German) surname and may refer to:
- Andreas Achenbach (1815-1910), German painter
- Jan D. Achenbach (born 1935), American professor at Northwestern University
- Joel Achenbach, American journalist
- Oswald Achenbach (1827-1905), German painter
- Timo Achenbach (born 1982), German footballer
- Max Alvary (1856-1898), originally Maximilian Achenbach, German tenor
| This page or section lists people with the surname Achenbach. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. |