| idol_id | 920 |
| Selca owner | ohmygirl_hyojung |
| Pop type | K-pop |
| Stage name (romanized) | Hyojung |
| Stage name (original) | 효정 |
| Real name (romanized) | Choi Hyojung |
| Real name (original) | 최효정 (崔效定) |
| Birth date | 1994-07-28 (age 31) ▲ ▼ |
| Chinese zodiac sign | 🐕 Dog |
| Western zodiac sign | ♌ Leo |
| Hometown | Anyang, Gyeonggi |
| Height | 158.0cm (5'2") ▲ ▼ |
| Weight | 42.0kg (93lb) ▲ ▼ |
| Blood type | AB |
| MBTI | ESTJ |
| Debut date | 2015-04-21 (10 years and 7 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | Roles | |
|---|---|---|---|---|---|---|---|
|
Oh My Girl (오마이걸) | WM Entertainment | 2015-04-21 | Yes | Leader |
| Name | Debut date | |
|---|---|---|
|
Oh My Girl Banhana (오마이걸 반하나) | 2018-04-02 |