Jean Fourastié (; 1 April 1907 in Saint-Benin-d'Azy, Nièvre - 25 July 1990 in Douelle, Lot) was a French economist, notable for having coined the expression Trente Glorieuses ("the glorious thirty [years]") to describe the period of prosperity that France experienced from the end of World War II until the 1973 oil crisis (1945-1973).