| Full Name | Yoo Jeong-yeon |
| Stage Name | Jeongyeon |
| Native Name | ìœ ì •ì—° |
| Birthday | November 1, 1996 |
| Age | 28 years and 3 months old |
| Zodiac Sign | Scorpio |
| Birthplace | Suwon, South Korea |
| Height | 5’6″ (168 cm) |
| Weight | 110.2 lbs (50 kg) |
| Blood Type | O |
| MBTI | ESFJ |
| Education | Apgujeong High School |
| Languages | Korean, Japanese, English |
| Group | TWICE |
| Social Media | Instagram: [@jy_piece] |