Wilhelm Grewe
German diplomat and professor of international law (1911-2000)
- Born: 1911-10-16 (Hamburg)
- Died: 2000-01-11 (Bonn)
- Country of citizenship: Germany
- Occupation: diplomat; jurist; politician; university teacher
- Member of political party: Nazi Party (since: 1933-01-01)
- Position held: German Ambassador to the United States (period: 1958-01-01 through 1962-01-01; replaced by: Karl Heinrich Knappstein); Permanent Representative of Germany to NATO (period: 1962-01-01 through 1971-01-01); ambassador; ambassador of Germany to Japan (period: 1971-01-01 through 1976-01-01; replaced by: Hartmut Schulze-Boysen)
- Employer: Humboldt University of Berlin; University of Freiburg; University of Göttingen
- Educated at: University of Hamburg
- VIAF ID: https://viaf.org/viaf/46783346
- ISNI: https://isni.org/isni/0000000108956611
- WorldCat Identities ID: https://worldcat.org/identities/lccn-n81089649
- Library of Congress authority ID: https://id.loc.gov/authorities/names/n81089649