Jan Mulder (in Dutch; Flemish pronounced as /ˈjɑˈmʏldər/; born 3 October 1943 in Diever) is a Dutch politician who served as a Member of the European Parliament (MEP) from 1994 until 2004 and from 2010 until 2014. He is a member of the People's Party for Freedom and Democracy (VVD), a member party of the Alliance of Liberals and Democrats for Europe.
Mulder served as vice-chair of the European Parliament's Committee on Budgets and its Committee on Budgetary Control. In 2007 he was elected one of the six quaestors of the European Parliament.
He was a substitute for the Committee on Agriculture and Rural Development and the Committee on Fisheries. During the 2009 European Parliament elections, he was not re-elected but in May 2010 he replaced Jeanine Hennis-Plasschaert who was elected in the Dutch parliament.
Mulder is in favour of the European cause and supported the Spinelli Group manifesto.