Hardt (surname)

Hardt is a German surname. Notable people with the surname include:

• Dick Hardt (born 1963), American-Canadian software executive
• Ernst Hardt (1876–1947), German author
• Heinz Hardt (1936-2025), German politician
• Jürgen Hardt (born 1963), German politician
• Karin Hardt (1910-1992), German actress
• Michael Hardt (born 1960), American philosopher
• Mickey Hardt (born 1969), German actor
• Nick Hardt (born 2000), Dominican tennis player