Haenchen
Haenchen or Hänchen is a German surname. Notable people with the surname include:

Ernst Haenchen (1894–1975), German Protestant theologian, professor, and Biblical scholar
Hartmut Haenchen (born 1943), German conductor
Hermann Hänchen (1898–???? ), German athlete
Hilda Hänchen (1919–2013), German physicist

German-language surnames
Surnames of German origin