| idol_id | 926 |
| Selca owner | omg_arin |
| Pop type | K-pop |
| Stage name (romanized) | Arin |
| Stage name (original) | 아린 |
| Real name (romanized) | Choi Yewon |
| Real name (original) | 최예원 (崔乂園) |
| Birth date | 1999-06-18 (age 25) ▲ ▼ |
| Chinese zodiac sign | 🐇 Rabbit |
| Western zodiac sign | ♊ Gemini |
| Hometown | Busan |
| Height | 163.0cm (5'4") ▲ ▼ |
| Weight | 47.0kg (104lb) ▲ ▼ |
| Blood type | O |
| Debut date | 2015-04-21 (9 years and 8 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Debut date | Disbandment date | Current member | Roles | |
|---|---|---|---|---|---|---|
|
(오마이걸)
|
WM Entertainment | 2015-04-21 | Yes | Maknae |
| Name | Debut date | |
|---|---|---|
|
(오마이걸 반하나)
|
2018-04-02 |