Lakshmi Narayan Mittal (born 15 June 1950) is an Indian steel magnate. He is the chairman and chief executive officer of ArcelorMittal, the world’s largest steelmaking company.

Mittal is the richest man in the United Kingdom, second richest man in Europe and is presently the sixth richest individual in the world with a personal wealth of US$38.1 billion or £29.8 billion. In the 2011 edition of Forbes Billionaire list, he was ranked the world's 6th wealthiest man. He is the 44th most powerful person of the 68 most powerful people in the world. One out of 5 cars in the world is made up of the steel materials of his steel empire. His daughter Vanisha Mittal's wedding was the most expensive in the recorded history of the world.

He is an independent director of Goldman Sachs, member of the Board of Directors of European Aeronautic Defence and Space Company, World Steel Association, Foreign Investment Council in Kazakhstan, the International Investment Council in South Africa, the Investors' Council to the Cabinet of Ministers of Ukraine, the World Economic Forum’s International Business Council, the World Steel Association's Executive Committee, the Presidential International Advisory Board of Mozambique and the International Iron and Steel Institute’s Executive Committee.