Thyssen AG
| Company type | Private |
|---|---|
| Industry | Steel |
| Founded | 1891 in Hamborn, Prussia, Rhine Province, Germany |
| Founders | August & Joseph Thyssen |
| Defunct | 1999 |
| Fate | Merged with Krupp to form ThyssenKrupp |
| Headquarters | , Germany |
Thyssen was a major German steel producer founded by August Thyssen. The company merged with Friedrich Krupp AG Hoesch-Krupp in 1999 to form ThyssenKrupp.