Westermann Verlag (English: "Westermann Publishing") is a Germanpublishing firm, founded in the 19th century by George Westermann (23 February 1810 in Leipzig; 7 September 1879 in Wiesbaden). Several other generations of the Westermann succeeded him.
Westermann is renowned for its meticulous world history-atlas in German, the Großer Atlas zur Weltgeschichte, generally known as "the Westermann".
For use in schools, they continue to publish the Carl Diercke Schul-Atlas, a series started in the 19th century, since called Diercke Weltatlas. They also offer products related to or using Google Earth, 3D-technology, and globes.