Carsten Johan Koch (born April 27, 1945) is a Danish economist and former Social Democratic politician and minister.
He was born in Kongens Lyngby, Denmark, to tailor Robert Koch and Elly J. Koch.
He graduated from Lyngby State School in 1964 and received a cand.polit. from the University of Copenhagen in 1971.
From 1973 to 1975 he was a graduate student in the Department of Economics of the University of Copenhagen, and in 1975 he became an assistant professor and then from 1978 to 1982 an associate professor there.
From 1982 to 1993, he was an economist with the (Economic Council of the Labour Movement). In 1993 he became head of the department, in 1994 the director, and later in 1994 the treasurer.
Koch was the director of Danske Bank from 1 September 2000 until 2008, when he became chairman of the (Danish Tax Commission).
In 2009, Carsten Koch was appointed CEO of LD (now) on a two-year contract.
In 2010, he was appointed president of the (Employment Council).
In 2014, he was chairman of the Expert Committee on Active Employment Efforts (the Carsten Koch Committee).