Thyssen

See also variant spellings including Thiessen.

Thyssen may refer to:

• The Thyssen family, which has many notable members including:
  • Friedrich Thyssen
  • August Thyssen
  • Fritz Thyssen
  • Bodo Thyssen
  • Heinrich, Baron Thyssen-Bornemisza de Kászon
  • Baron Hans Heinrich Thyssen-Bornemisza.
• Thyssen AG, steel company founded by August Thyssen, with successors and subsidiaries including:
  • ThyssenKrupp, one of the world's largest steel producers, formed by merger of the Thyssen and Krupp steel companies
  • ThyssenKrupp Marine Systems
• Thyssen-Bornemisza Museum