Johannes Stefanus Joseph "Hans" Hillen (born 17 June 1947) is a retired Dutch politician of the Christian Democratic Appeal (CDA) party and journalist.

He has been a (sports) journalist for the Nederlandse Omroep Stichting (NOS), a teacher and a civil servant (in the eighties he was spokesman for the minister of Finance Onno Ruding and defender of his outspoken budget cuts) before entering in politics From 1990 till 2002 he was a member of the House of Representatives and from 2007 till 2010 a member of the Senate.

From 2003 till 2007 Hillen was president of CVZ, the Dutch council for the healthcare, and from 2005 till 2010 a member of the executive board of the Dutch employers' organization VNO-NCW.

Furthermore, he is involved in the Edmund Burke Foundation, a Dutch conservative think tank.

In 2004 he left the advisory council because a conflict of opinion with prominent co-member Bart Jan Spruyt, who wanted to found a new political party with Geert Wilders.