Hans Koschnick (2 April 1929 – 21 April 2016) was a German politician (SPD) and elder statesman.
He was the President of the Senate and Mayor of the Free Hanseatic City of Bremen from 1967 to 1985, the President of the Bundesrat in 1970/71 and 1981/82, and afterwards served as a member of the Bundestag, the German federal parliament, from 1987 to 1998.
Between 1994 and 1996, Koschnick was the EU administrator of Mostar.