Klaus-Dieter Lehmann (pronounced [klaʊs ˈdiːtɐ ˈleːman]; born 29 February 1940) is a German librarian and has been president of the Goethe-Institut since April 2008.

[1] Born in 1940 in Breslau, Lehmann studied physics and mathematics and passed his state examination in library science.

In 1988 Lehmann became director of the Deutsche Bibliothek, Frankfurt, the national library of West Germany.

From 1998 to 2008 he served as president of the Prussian Cultural Heritage Foundation.

Lehmann was awarded the Federal Cross of Merit, First Class, in 1996.