YooA

In this Korean name, the family name is Yoo.

Yoo Si-ah (Korean: 유시아; born Yoo Yeon-joo on September 17, 1995), better known by her stage name YooA (유아) is a South Korean singer and actress. She is a member of the girl group Oh My Girl under WM Entertainment. She made her debut as a solo artist, with her first EP Bon Voyage, on September 7, 2020.

YooA
YooA in April 2024
Born	Yoo Yeon-joo[1] (1995-09-17) September 17, 1995 (age 29) Seoul, South Korea[2]
Occupations	Singer actress
Agent	Saram Entertainment
Musical career
Genres	K-pop
Instrument	Vocals
Years active	2015–present
Labels	WM
Member of	Oh My Girl
Formerly of	Girls Next Door
Korean name
Hangul	유시아
Hanja	柳諟我 [3]
RR	Yu Sia
MR	Yu Sia
Birth name
Hangul	유연주
RR	Yu Yeonju
MR	Yu Yŏnju
Stage name
Hangul	유아
RR	Yua
MR	Yua

Early life

YooA was born Yoo Yeon-joo on September 17, 1995,^[4] in Sinchang-dong, Yongsan-gu, Seoul, South Korea,^[2] and legally changed her name to Yoo Si-ah.^[1]

Her older brother is a dancer and choreographer at the 1Million Dance Studio.^[5]

Career

2015–2020: Debut with Oh My Girl and other activities

See also: Oh My Girl

On April 20, 2015, YooA debuted in the South Korean girl group Oh My Girl.^[6][7] In August 2016, YooA took part in the Mnet dance TV show Hit the Stage with U-Kwon of Block B as her partner.^[8] They finished in fourth place behind her brother and his partner Hyoyeon.^[9] In November 2016, she debuted as a member of the Inkigayo project group, Sunny Girls, with the single, "Taxi".^[10] In Summer 2017, YooA joined the reality show Idol Drama Operation Team. They made their debut as Girls Next Door with the single, "Deep Blue Eyes".^{[11][unreliable source?]}

In May 2018, YooA released the single "Morning Call".^[12]

2020–present: Bon Voyage. Selfish and Borderline

On September 7, 2020, YooA made her solo debut with the extended play Bon Voyage.^[13] On September 15, 2020, YooA received her first music show trophy on The Show.^[14] On September 25, 2020, YooA released an OST for the Netflix film Over The Moon.^[15]

In October 2022, WM Entertainment announced that YooA was preparing new music. ^[16] She released the four-track EP Selfish on November 14, with a lead single of the same name.^[17] On March 14, 2024, YooA released her first single album Borderline, with the lead single "Rooftop".^[18] On June 2, 2025, YooA departed WM Entertainment and signed a contract with Saram Entertainment as an actress.^[19]

Discography

For YooA's discography with Oh My Girl, see Oh My Girl discography.

Extended plays

Title	Details	Peak chart positions	Sales
		KOR [20]
Bon Voyage	Released: September 7, 2020 Label: WM Entertainment Formats: CD, digital download, streaming	3	KOR: 27,281[21]
Selfish	Released: November 14, 2022 Label: WM Entertainment Formats: CD, digital download, streaming Track listing "Selfish" "Lay Low" "Blood Moon" "Melody"	14	KOR: 21,639[22]

Single albums

Title	Details	Peak chart positions	Sales
		KOR [23]
Borderline	Released: March 14, 2024 Label: WM Entertainment Formats: CD, digital download, streaming Track listing "Rooftop" "Love Myself" "Shooting Star"	20	KOR: 13,070[24]

Singles

Title	Year	Peak chart positions		Album
		KOR [25]	KOR Hot [26]
As lead artist
"Morning Call" (모닝콜) (Produced by Peterpan Complex)	2018	—	—	Morning Call
"Bon Voyage" (숲의 아이)	2020	44	16	Bon Voyage
"Lay Low"	2022	—[A]	—	Selfish
"Melody"		—[B]	—
"Selfish"		184	—
"Rooftop"	2024	—	—	Borderline
Collaborations
"Taxi" (with Sunny Girls)	2016	—	—	Inkigayo Music Crush Part 2
"This Stop Is" (with Hui and Wooseok)	2018	—	—	Gag-Singer Producer - Streaming
"—" denotes releases that did not chart or were not released in that region

Soundtrack appearances

Title	Year	Album
"Deep Blue Eyes" (with Girls Next Door)	2017	Idol Drama Operation Team OST
"Rocket to the Moon! " (로켓 투 더 문!)	2020	Over the Moon OST
"Stay With Me"	Tale of the Nine Tailed OST

Videography

Music videos

Title	Year	Director	Ref.
"Bon Voyage"	2020	Sunny Visual	[29]
"Lay Low"	2022		[30]
"Melody"			[31]
"Selfish"			[32]
"Rooftop"	2024	Kim In-tae (AFF)	[33]

Filmography

For YooA's filmography with Oh My Girl, see Oh My Girl § Filmography.

Film

Year	Title	Role	Ref.
TBA	Project Y	TBA	[19]

Television shows

Year	Title	Role	Notes	Ref.
2017	Idol Drama Operation Team	Cast member		[citation needed]
2018	King of Mask Singer	Contestant	as A Little Princess (Episode 143)	[citation needed]
	Food Diary	Cast member		[citation needed]
2020	Running Girls			[citation needed]
2022	Fantastic Family	Judge		[34]

Hosting

Year	Title	Notes	Ref.
2021	SBS 2021 Super Concert In Daegu	With Jeon So-mi and Yunho	[35]

Awards and nominations

For YooA's accolades with Oh My Girl, see List of awards and nominations received by Oh My Girl.

Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination

Award ceremony	Year	Category	Nominee / Work	Result	Ref.
Gaon Chart Music Awards	2021	Artist of the Year – Digital Music	"Bon Voyage"	Nominated	[36]

Notes

1. "Lay Low" did not enter Circle Digital Chart, but debuted and peaked at number 51 on the Download Chart.^[27]
2. "Melody" did not enter Circle Digital Chart, but debuted and peaked at number 54 on the Download Chart.^[28]