Nam Sung-yong (November 23, 1912 – February 20, 2001) was a Korean Olympian who won a bronze medal in the marathon at the 1936 Summer Olympics, completing the run in 2 hours, 31 minutes, and 42 seconds.

Nam Sung-yong

Nam Sung-yong at the 1936 Olympics
Personal information
Nationality	Japan(1912~1945) >  South Korea(1945~2001)
Born	(1912-11-23)November 23, 1912
Died	February 20, 2001(2001-02-20) (aged 88)
Height	1.65 m (5 ft 5 in)
Weight	56 kg (123 lb)
Medal record Representing  Japan Olympic Games 1936 Berlin Marathon

He was born in Junten (Suncheon), Korea, Empire of Japan and received higher education in Japan. Like the gold medalist Sohn Kee-chung, Nam Sung-yong used the Japanese pronunciation of his name, Nan Shōryū as Korea was then a part of the Japanese Empire.^[1]

After the Olympics, Nam Sung-yong worked at the Korean Sporting Association with Sohn Kee-chung.^[2]