| idol_id | 333 |
| Selca owner | dia_chaeyeon |
| Pop type | K-pop |
| Stage name (romanized) | Jeong Chaeyeon |
| Stage name (original) | 정채연 |
| Real name (romanized) | Jeong Chaeyeon |
| Real name (original) | 정채연 (鄭彩娟) |
| Birth date | 1997-12-01 (age 26) ▲ ▼ |
| Chinese zodiac sign | 🐂 Ox |
| Western zodiac sign | ♐ Sagittarius |
| Hometown | Suncheon |
| Height | 165.0cm (5'5") ▲ ▼ |
| Weight | 48.0kg (106lb) ▲ ▼ |
| Blood type | A |
| Debut date | 2015-09-14 (9 years and 1 month ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | Roles | |
|---|---|---|---|---|---|---|---|
|
I.O.I (아이오아이) | YMC Entertainment, CJ E&M | 2016-05-04 | 2017-01-31 | Group disbanded | ||
|
DIA (다이아) | PocketDol Studio | 2015-09-14 | 2022-09-17 | Group disbanded | Center |