Jan Jansen
# Jan Jansen

Jan Jansen may refer to:

* Jan Jansen (cyclist) (born 1945), Dutch cyclist
* Jan Jansen (historian) (born 1962), Dutch historian
* Jan B. Jansen (1898–1984), Norwegian professor of medicine
* Jan K. S. Jansen (1931–2011), Norwegian professor of medicine
* Jan Helge Jansen (born 1937), Norwegian politician
* Jan Jansen, a Baldur's Gate character
