| Full Name | Kim Seol-hyun |
| Stage Name | Seolhyun |
| Native Name | 김설현 |
| Birthday | January 3, 1995 |
| Age | 30 years and 6 months old |
| Zodiac Sign | Capricorn |
| Birthplace | Bucheon, South Korea |
| Height | 5’6″ (168 cm) |
| Weight | 103.6 lbs (47 kg) |
| Blood Type | A |
| MBTI | – |
| Education | Gyeonggi Arts High School |
| Languages | Korean, Japanese |
| Group | AOA (2012-2020) |
| Social Media | Instagram: [@s2seolhyuns2] YouTube: [@by-fz1lx] |