Constanze Angela Krehl (born 14 October 1956 in Stuttgart) is a German politician. From 1991 to 1994 she was an Observer of the European Parliament and since 1994 has been a Member of the European Parliament with the Social Democratic Party of Germany (SPD), part of the Progressive Alliance of Socialists and Democrats group.
After Constanze Krehl received her diploma from German secondary school in 1975 in Leipzig, she studied at the Technische Universität Dresden (Technical University Dresden) and graduated in computer science in 1980. In 1998 she was awarded the Federal Cross of Merit.