Johannes Pieter (Jan) Laurier (born 15 November 1949 in Leiden) is a Dutch politician. From 2007 to 2011, he was a member of the Senate for GreenLeft. Laurier studied sociology and during his studies he was active in the Leiden social movements. In 1981 he founded the left wing city paper. Between 1983 and 1993 he worked as a researcher for the research centre on Land Management and Public Housing and the Leiden Institute for Social Science. Between 2002 and 2003 he was member of the city council. When he left he was made Knight in the Order of Oranje-Nassau.