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