Im Da-young (Korean:임다영; born May 14, 1999), better known by the mononym Dayoung, is a South Korean singer. She is a member of the South Korean girl group WJSN and its subunit WJSN Chocome. Dayoung made her solo debut in 2025 with the song "Body" from her digital single album Gonna Love Me, Right?.
On December 10, 2015, Dayoung was announced as a member of then-upcoming girl group WJSN.[5] She debuted with the group on February 25, 2016.[6] In August 2016, Dayoung, alongside members Exy, Seola, Soobin, Eunseo, Cheng Xiao, and Yeoreum, teamed up with label mate Monsta X to form the unit Y-Teen, a project unit group that promoted as CF models for KT's phone fare service.[7] On October 7, 2020, Dayoung debuted in the group's sub-unit WJSN Chocome alongside members Soobin, Luda, and Yeoreum.[8]
In 2020, Dayoung and fellow WJSN member Exy contributed the song "Oh My, Oh My" to the original soundtrack for Welcome.[9]
In 2024, Dayoung collaborated with Eden for the song "Love Is" for the Doctor Slump original soundtrack.[10] In the same year, she also sang the song "Love Wave" for the South Korean TV series of the same name.[11]
On September 9, 2025, Dayoung released her debut single album Gonna Love Me, Right? with the title track "Body".[12][unreliable source?]
On April 7, 2026, Dayoung released her digital single "What's a Girl to Do", along with the music video for the lead song of the same name.[13]
↑우주소녀 다영 미모 뽐낸 제주 아가씨, 나이는?[How old is WJSN's Dayoung, the beautiful girl from Jeju?]. Kookje Shinmun (in Korean). November 9, 2019. Retrieved September 25, 2025.
↑우주소녀 다영, '여신강림' 특별출연 "다영인 채니랑 다르다요"[똑똑SNS][Cosmic Girls' Dayoung makes a special appearance on "True Beauty," saying, "Dayoung and Chae-ni are different" [Smart SNS]]. MK Sports (in Korean). Retrieved September 26, 2025.
↑'복면가왕' 가왕 '낭랑18세' 5연승...승희·조진수·김희철·다영 정체 공개(종합). News1 (in Korean). February 16, 2020. Retrieved September 26, 2025. ['Sweet 18' wins fifth straight 'King of Mask Singer' battle... Seunghee, Jo Jinsoo, Kim Heechul, and Dayoung's identities revealed (comprehensive)]
↑마마무 문별, '골때녀' 하차...우주소녀 다영 'FC탑걸' 합류[Mamamoo's Moonbyul leaves "Kick a Goal" and WJSN's Dayoung joins "FC Top Girl"]. Top Star News (in Korean). September 29, 2022. Retrieved September 25, 2025.
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