| Headercolor: | lightblue |
| Lee Myong-Seung | |
| Birth Date: | 14 August 1979 |
| Birth Place: | Seoul, South Korea |
| Weight: | 610NaN0 |
| Sport: | Athletics |
| Event: | Marathon |
| Club: | Samsung Electronics Athletic Club |
| Coach: | Lee Ui-Su |
| Pb: | Marathon: 2:13:25 (2010) |
Lee Myong-Seung (also Lee Myeong-Seung, Korean: 이 명승; born August 14, 1979, in Seoul) is a South Korean marathon runner.[1] He set a personal best time of 2:13:25, by finishing ninth at the 2010 Seoul International Marathon.[2] In the same year, he achieved his best career result with a fourth-place finish at the Gyeongju International Marathon, clocking at 2:16:19.[3]
Lee made his official debut for the 2004 Summer Olympics in Athens, where he placed forty-first out of a hundred runners in the marathon, with a time of 2:21:01.
At the 2008 Summer Olympics in Beijing, Lee qualified for the second time in the men's marathon, along with his teammates Kim Yi-Yong and Lee Bong-Ju. He successfully finished the race in eighteenth place by seven seconds ahead of Finland's Janne Holmen, posting his best Olympic career time of 2:14:37.[4]