Senators of Val-d'Oise

Michel Poniatowski (16 May 1922 – 15 January 2002) was a French politician, member of a legitimized line of Poland's princely Poniatowski family. He was a founder of the Independent Republicans and a part of the administration for President Valéry Giscard d'Estaing. Poniatowski served as Minister of Health from 1973 to 1974 and Minister of the Interior in the Giscard d'Estaing government from 1974 to 1977. He was a founder and honorary president of the Union for French Democracy (Union pour la Démocratie Française, UDF).

Nelly Olin (23 March 1941 – 26 October 2017) was a Minister of Environment in France from 2005 to 2007, as part of the cabinet of prime minister Dominique de Villepin. Earlier, from 2004 to 2005, Olin had been the Minister-Delegate for Social Security. She has also been a Senator for Val-d'Oise. She died on 26 October 2017, aged 76.