PC: WM Entertainment
|Name||YOOA | 유아|
|Full Name||Yoo Siah | 유시아 | 柳諟我|
|Born||September 17, 1995|
|Hometown||Sinchang-dong, Yongsan-gu, Seoul, South Korea|
|Height||160cm | 5′-03″|
|Family||Mother, Father, Older Brother|
Haesung International Convention High School
Jangpyung Middle School
|Years Active||2015 – present|
|Group||OH MY GIRL|
2020 1st EP Bon Voyage
- She changed her legal name from Yoo Yeonju to Yoo Siah.
- She was born in Yongsan-gu and raised in Dongdaemun-gu.
- YOOA got into WM Entertainment as a trainee in late 2014 and debuted as a member of OH MY GIRL in 2015.
- She is a former WH CREATIVE trainee.
- Hobbies: cooking, decorating a room, writing, watching movies
- If she had not made it as a Kpop idol, she would have become a choreographer.
- Artist: Beyoncé
- Book: Demian by Hermann Hesse
- Color: white, red
- Ice Cream Flavor: mint chocolate chip
- Season of the Year: fall
- Older Brother
Name: Yoo Junsun | 유준선
Born: March 12, 1994