Choi Kyu-Woong (also Choi Gyu-Wung, Korean: 최규웅; RR: Choe Gyu-ung; born May 28, 1990 in Busan) is a South Korean swimmer, who specialized in breaststroke events. He shared silver medals with China's Xue Ruipeng in the 200 m breaststroke at the 2010 Asian Games in Guangzhou, China, in a time of 2:12.25. He also collected two medals (silver and bronze) in both 100 and 200 m breaststroke at the 2009 East Asian Games in Hong Kong, China. Choi is a member of the swimming team at the Korea National Sport University in Seoul, under his personal coach Lee Woo-Shin.