Yoon Dong-Hun (; born 2 May 1983) is a football manager and former South Korean professional footballer who played as a midfielder. He is currently the fitness coach of Vietnam national team.
He was selected by Ulsan Hyundai in the 2007 K-League draft. He made his professional debut in the League Cup match on 18 April but no appearance in the 2007 season. He moved to Ansan Hallelujah after the unsuccessful debut season ended.