List of Famous people with last name Sung-hyun

Ko Sung-hyun is an internationally elite badminton player from South Korea who affiliate with Gimcheon City Hall. He is a former world number 1 both in the men's and mixed doubles. Ko is a World Champions, two time Asian Champions, and Asian Games gold medalist.

Baek Sung-hyun is a South Korean actor.

Park Sung-hyun is an archer from South Korea who competed in two Olympic Games, winning three gold medals. Park made her international archery debut in 2001, winning the women's recurve title at that year's World Archery Championships. Her Olympic debut came at the 2004 Summer Olympics, where she won gold medals in both the women's individual and women's team events. She won two further medals at the 2008 Summer Olympics, achieving her third Olympic gold in the women's team event before earning the silver medal as the runner-up in the women's individual event.