Lee Dong-keun (; or ; born 20 November 1990) is a Korean badminton player specializing in men's singles. He won his first international senior title at the 2011 Vietnam International tournament. Lee participated at the 2012 World University Championships in Gwangju, South Korea, won a gold medal in the mixed team and a bronze in the singles events. He was also part of the South Korean winning team at the 2014 Asian Games. In 2016, Lee represented his country competing at the Summer Olympics in Rio de Janeiro, Brazil.
Men's singles
Boys' singles
The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018, is a series of elite badminton tournaments sanctioned by the Badminton World Federation (BWF). The BWF World Tour is divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300 (part of the HSBC World Tour), and the BWF Tour Super 100.
Men's singles
The BWF Grand Prix had two levels, the Grand Prix and Grand Prix Gold. It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) and played between 2007 and 2017.
Men's singles
Men's singles