Jan Peumans
 Jan Peter Peumans (born 6 January 1951) is a Flemish politician from the province of Limburg in Belgium. Being part of the Flemish Movement he was at a young age already member of the Volksunie. He seated for that party in the Limburgish provincial council and is since 2004 a Flemish Parliament member for the New Flemish Alliance (N-VA). From 2007 until 2009 he was N-VA fraction leader in the Flemish Parliament.