Claude Estier (8 June 1925 – 10 March 2016), born Claude Hasday Ezratty, was a French politician and journalist. He was deputy of Paris in 1967-1968 and again in 1981-1986. He was then Senator from 1986 to 2004 and was President of the Socialist group in the Senate from 1988 to 2004. In 1955 he joined the political redaction of Le Monde. He quit in 1958.