Elisabeth Maria Josepha "Lilianne" Ploumen DCSG (born 12 July 1962) is a Dutch politician and activist who served as Leader of the Labour Party from January 2021 until April 2022. She had been a member of the House of Representatives since 2017, as well as parliamentary leader since 2021, leaving the House of Representatives upon her resignation as party leader. Ploumen previously served as Minister for Foreign Trade and Development Cooperation from 2012 to 2017.