Hans Andersen may refer to:
- Hans Christian Andersen (1805–1875), Danish fairy tale writer
- Hans Henrik Andersen (born 1937), Danish physicist
- Hans N. Andersen (born 1980), Danish speedway rider
- Hans Andersen (politician), Danish politician, County Mayor of Frederiksborg County 1970–1978
- Hans Andersen (chemist), American chemist from Stanford University