Klijn is a Dutch family name.
People named Klijn include:
- Albertus Frederik Johannes Klijn (1923–2012), Dutch scholar of New Testament Apocrypha
- Lorena Klijn (born 1987), Dutch kickboxer
On the Dutch and German Wikipedias:
- nl:Albert Klijn (1895–1881) Dutch artist
- nl:Corné Klijn (born 1961), Dutch radio DJ
- de:Debbie Klijn (born 1975), Dutch handball player
- nl:Judith de Klijn (born 1967), Dutch TV
- nl:René Klijn (1962–1993), Dutch boygroup singer and male model
- nl:Tim Klijn (born 1979), Dutch DJ