| Lee Myung-Sun | |
|---|---|
| Born | 12 February 1976 |
| Nationality | South Korean |
| Occupation | Shot putter |
| Known for | Current South Korean women's shot put record |
| Korean name | |
| Hangul | 이명선 |
| Revised Romanization | Yi Myeong-seon |
| McCune–Reischauer | Yi Myŏngsŏn |
Lee Myung-Sun (Korean: 이명선; born 12 February 1976) is a retired South Korean shot putter. Her personal best throw is 19.36 metres, achieved in April 2000 in Shanghai. This is the current South Korean record.