Leendert Cornelis "Leen" van Dijke (born 3 September 1955) is a retired Dutch politician of the defunct Reformatory Political Federation (RPF) party and later co-founder of the Christian Union (CU) party and management consultant. As a member of the Reformatory Political Federation (Reformatorische Politieke Federatie) and its successor the ChristianUnion (ChristenUnie) he was a member of the Dutch House of Representatives from 1994 to 2003 as well as Parliamentary leader from 1994 to 2002. He was also a member of the provincial parliament of the province of Zeeland from 1987 to 1994.