| idol_id | 1092 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Hayoon |
| Stage name (original) | 하윤 |
| Real name (romanized) | Jeong Hayoon |
| Real name (original) | 정하윤 |
| Birth date | 1998-11-21 (age 27) ▲ ▼ |
| Chinese zodiac sign | 🐅 Tiger |
| Western zodiac sign | ♏ Scorpio |
| Hometown | Gwangju |
| Height | 163.0cm (5'4") ▲ ▼ |
| Weight | |
| Blood type | A |
| Debut date | 2017-01-01 (9 years and 9 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | Roles | |
|---|---|---|---|---|---|---|---|
|
BONUSbaby (보너스베이비) | Maroo Entertainment | 2017-01-01 | 2018-09-10 | Group disbanded | Main dancer |