Many K-pop groups have lost members due to contract terminations, scandals, or personal reasons. Prominent examples includeLOONA (majority of members left), Momoland, 2NE1 (Minzy), AOA, and 24K. Other notable departures include members from BIGBANG and ENHYPEN (Heeseung).
K-pop Groups That Have Lost Members:
LOONA:Following the removal of Chuu in 2022, several other members (Jinsoul, Kim Lip, Heejin, Choerry) departed in 2023 after lawsuits.
Momoland:Daisy, Taeha, and Yeonwoo left, leaving the group to promote as a 6-member group.
24K:Known for having significant turnover, with reports suggesting they lost most of their original lineup.
AOA:Experienced member departures, including Yukyoung.
ONF:Member Laun left abruptly in 2019, causing him to cease promotions.
2NE1:Minzy left the group, which was later highlighted by CL's song "Goodbye".
KARA:Members Nicole and Jiyoung left, while Youngji was addedDisclaimer: Based on search results dated through March 2026.Stray Kids lost memberKim Woojin, who left the group in October 2019 due to personal circumstances, reducing the lineup from nine to eight members. Additionally, in the early stages of their survival show, membersLee KnowandFelixwere temporarily eliminated but returned for the final lineup
The K-pop group ASTRO lost memberMoonbin, who passed away on April 19, 2023, at the age of 25.
Wonder Girls:Lost members Sunmi (temporarily) and Sunye, adding new members HyeLim.
U-KISS:Experienced multiple, recurring member departures and additions.
B.I left iKON and terminated his contract with YG Entertainment in June 2019 following allegations of illegal drug use. He announced his departure to take responsibility for the controversy, subsequently entering a hiatus before returning as a solo artist.