| Full Name | Kim Su-hyeon |
| Stage Name | Suhyeon |
| Native Name | 김수현 |
| Birthday | January 15, 2000 |
| Age | 25 years and 6 months old |
| Zodiac Sign | Capricorn |
| Birthplace | Daegu, South Korea |
| Height | 5’4″ (163 cm) |
| Weight | 94.8 lbs (43 kg) |
| Blood Type | – |
| MBTI | INFJ |
| Education | Sillim High School |
| Languages | Korean |
| Group | Billlie (2021-present) |
| Social Media | Instagram: [@suhyeeooonn_] |