Adolf Köster
German politician (1883-1930)
- Born: 1883-03-08 (Verden (Aller))
- Died: 1930-02-18 (Belgrade)
- Country of citizenship: Germany
- Occupation: politician; university teacher
- Member of political party: Social Democratic Party of Germany
- Position held: Reichsminister des Innern (period: 1921-10-26 through 1922-11-14; replaced by: Rudolf Oeser; replaces: Georg Gradnauer); ambassador of Germany to Latvia
- Employer: Technical University of Munich
- Educated at: Heidelberg University; University of Halle-Wittenberg; University of Marburg; University of Zurich
- VIAF ID: https://viaf.org/viaf/27863326
- ISNI: https://isni.org/isni/0000000109619625
- WorldCat Identities ID: https://worldcat.org/identities/lccn-n85828497
- Library of Congress authority ID: https://id.loc.gov/authorities/names/n85828497