The Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures GmbH (German: Leibniz-Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH), located in Braunschweig, is a research infrastructure in the Leibniz Association.

[2] Since 2010, the scientific director of the Leibniz Institute DSMZ has been Jörg Overmann, a microbiologist with a PhD from the University of Konstanz.

[1] In 2018, the Leibniz Institute DSMZ was recognized as the world's first registered collection under Directive (European Union) 511/2014, providing all users with the necessary legal certainty in the handling of their bioresources in accordance with the Nagoya Protocol.

It also serves as a patent and security depository for biological material (a total of over 11,700 bioresources) in accordance with the guidelines of the Budapest Treaty.

In 2012, the freely accessible database BacDive (The Bacterial Diversity Metadatabase)[10] was established, which is maintained and curated by the DSMZ.