Ernst Ritter von Theumer
- Title: Ernst Ritter von Theumer
- Popularity: 0.965
- Known For: Production
- Birthday: 1926-09-05
- Place of Birth: Wien, Austria
- Homepage:
- Also Known As: Ernst Ritter von Theumer, Richard Jackson, Ernst R. von Theumer, Ernst von Theumer senior, Ernst Ritter von Theumer senior