Jan Jansen
Jan Jansen is the name of the following people:
- Jan Jansen (medic) (1898–1984), Norwegian medic
- Jan Jansen (cyclist) ( Johannes Hendrikus Jansen ; * 1945), Dutch cyclist
- Jan P. Jansen (1929–2014), Norwegian journalist and presenter
- Jan Willem Jansen (organist) , Dutch organist
- Jan Willem Jansen (basketball player) (* 1952), Dutch basketball player and coach