Lee Dae-myung (; born 14 September 1988) is a South Korean sport shooter. He won a silver medal in the men's 50 m free pistol at the 2010 ISSF World Shooting Championships in Munich, Germany, accumulating a score of 665.2 targets. He also captured two more gold medals for air pistol shooting at the 2010 Asian Games in Guangzhou, China, and at the 2012 ISSF World Cup in Sydney, Australia, with scores of 685.8 and 691.3 points, respectively.