Jansen
(Redirected from Janssen)
The taxon authority Jansen, Janssen or Janssens may refer to:
- André Janssens, Belgian entomologist
- Arie W. Janssen, Dutch malacologist
- Berend Cornelis Jansen (1921–1987, B.C.Jansen), South African microbiologist
- Emile Janssens (1907–1981), Belgian entomologist
- Frans Janssens, Belgian entomologist
- Justin J.F.J. Jansen, Dutch ornithologist
- M.E. Jansen (fl. 1979; M.E.Jansen), botanist
- Martin Jansen, German herpetologist
- Maurice Jansen, entomologist
- Michael Andrew Jansen, U.S. entomologist
- Pieter Jansen (1882–1955, Jansen), Dutch botanist
- Raymond Jansen, ornithologist
- Robert K. Jansen (born 1954, R.K.Jansen), U.S. botanist
- Ronald Janssen, German malacologist
- Steven B. Janssens (fl. 2009, S.B.Janssens), botanist
- Thomas Janssen (born 1978; Janssen), botanist
- Toon Janssen, Belgian nematologist
- Werner Jansen (born 1941; W.Jansen), botanist