Guy, Baron Quaden (born 5 August 1945 in Liège, Belgium) is a Belgian economist.
In 1972, he graduated at the Ecole pratique des hautes études of the Sorbonne (Paris, France), in economic and social sciences.
He obtained a PhD in fashion-economics at the Université de Liège in February 1973.
He started his academic career as an assistant at the Université de Liège, department of economic sciences (1968–1973).
He was president of the Central Council for Businesses (Duch: Centrale Raad voor het Bedrijfsleven) (1984–1988), director of the National Bank of Belgium (1988–1999) president of the intervention fund for the companies registered on the stock exchange (1991–1996).