| Personal information | |
|---|---|
| Born | 10 November 1968 |
| Sport | |
| Sport | Fencing |
| Korean name | |
| Hangul | 신성자 |
| Hanja | 申成子 |
| RR | Sin Seongja |
| MR | Sin Sŏngja |
Shin Seong-ja (born 10 November 1968) is a South Korean fencer. She competed in the women's individual and team foil events at the 1988 and 1992 Summer Olympics. She married fellow fencer Kim Seung-pyo in 1993.