Nihat Ergün (born 14 September 1962, in İzmit) is a Turkish politician and the former Minister of Science, Industry and Technology.

After finishing the university, Ergün worked in the fields of free trade, accounting, consultancy and management advisory services.

During the first Grand Ordinary Congress of the AKP held on 12 October 2003, he became a member of the Central Board for Management and Decision Taking of the party.

On 12 April 2005, Ergün was appointed as the deputy chairman responsible for local authorities of the Justice and Development Party.

Ergün is one of the founding members of Ali Babacan's newly formed Democracy and Progress Party.