| Full Name | Kim Yoo Hyeon |
| Stage Name | Yoohyeon |
| Native Name | ê¹€ìœ í˜„ |
| Birthday | January 7, 1997 |
| Age | 28 years and 5 months old |
| Zodiac Sign | Capricorn |
| Birthplace | Incheon, South Korea |
| Height | 5’6″ (168 cm) |
| Weight | 108 lbs (49 kg) |
| Blood Type | 0 |
| MBTI | INFJ |
| Education | Sangok High School |
| Languages | Korean, English (fluent), Mandarin (basic) |
| Group | Dreamcatcher UAU |
| Social Media | Instagram: [@ms.yoohyeonkim] |