| Chang Myung-sam | |
| Nationality: | Korean |
| Birth Date: | 16 May 1962 |
| Birth Place: | Seoul, South Korea |
| Death Place: | Gwangju, Gyeonggi, South Korea |
| Sport: | Taekwondo |
| Event: | Men's featherweight |
Chang Myung-sam (16 May 1963 – 23 April 2012) was a Korean taekwondo practitioner. He competed in the men's featherweight at the 1988 Summer Olympics. He died in a car accident in 2012.