Artists like I.O.I

Pristin was a South Korean girl group formed by Pledis Entertainment in 2016. The group was composed of ten members: Nayoung, Roa, Yuha, Eunwoo, Rena, Kyulkyung, Yehana, Sungyeon, Xiyeon, and Kyla. Most of them appeared on the television show Produce 101 and, as the prize for becoming two of the top contestants, Nayoung and Kyulkyung went on to debut as part of the project girl group I.O.I, before reuniting with the other members to debut as Pristin on March 21, 2017, with the first EP Hi! Pristin. Pristin was known for writing and composing their own music. After nearly a year and a half with little activity, the group disbanded on May 24, 2019 when only 3 of the 10 members renewed their contract with Pledis Entertainment.

Hearts2Hearts (Korean: 하츠투하츠) is a South Korean girl group formed by SM Entertainment. The group consists of eight members: Carmen, Jiwoo, Yuha, Stella, Juun, A-na, Ian, and Ye-on. They debuted on February 24, 2025, with the single album The Chase and its lead single of the same name.

Weki Meki was a South Korean girl group formed by Fantagio in 2017. The group consisted of eight members: Suyeon, Elly, Yoojung, Doyeon, Sei, Lua, Rina, and Lucy. During the group's career, they released five EPs, two single albums and one re-issue single album. The group finished their seven year career with the release of their final single "CoinciDestiny" on June 12, 2024. On August 16, 2024, it was announced the group had officially disbanded.

Sistar was a South Korean girl group formed in 2010 by Starship Entertainment. The group consisted of Bora, Hyolyn, Soyou and Dasom. They made their official debut with the song "Push Push" on 3 June 2010. Their debut studio album So Cool was released on 9 August 2011. Their second album, Give It to Me, was released on 11 June 2013.

Bae Joo-hyun, better known by her stage name Irene (아이린), is a South Korean singer and actress. She is best known as the member and leader of the South Korean girl group Red Velvet, and its sub-unit Red Velvet – Irene & Seulgi.

CLC is a South Korean girl group formed by Cube Entertainment. Their debut EP First Love was released on March 19, 2015, with five group members: Seunghee, Yujin, Seungyeon, Sorn, and Yeeun. The remaining two members, Elkie and Eunbin, were added to the group with the release of their third EP, Refresh, on February 29, 2016.

Choi Ye-na, known mononymously as Yena, is a South Korean singer and actress. She is a soloist and actress under YH Entertainment, and a former member of South Korean–Japanese girl group Iz*One, having finished fourth on Mnet's reality girl group survival show, Produce 48. Yena made her solo debut on January 17, 2022, with the release of her first EP Smiley.

Red Velvet (Korean: 레드벨벳) is a South Korean girl group formed and managed by SM Entertainment. They originally debuted on August 1, 2014, with the single "Happiness" with the four-member line-up of Irene, Seulgi, Wendy, and Joy. A fifth member, Yeri, joined in March 2015, following the release of their first extended play, the chart-topping Ice Cream Cake. Sonically, the music of Red Velvet reflects their group name: their predominantly-pop "red" side experiments occasionally with electronic and funk, while their "velvet" side focuses on '90s-influenced R&B with elements of ballad and hip hop.

Stephanie Young Hwang, known professionally as Tiffany or Tiffany Young, is an American singer-songwriter and actress of Korean descent. Born and raised in California, she was discovered by South Korean entertainment agency SM Entertainment at the age of fifteen and subsequently moved to South Korea. After two years of training, Young debuted as a member of girl group Girls' Generation in August 2007, which went on to become one of the best-selling artists in South Korea and one of South Korea's most widely known girl groups worldwide.

AOA is a South Korean girl group formed by FNC Entertainment. The original 2012 eight-member line-up included: Choa, Jimin, Yuna, Youkyung, Hyejeong, Mina, Seolhyun, and Dohwa. The group has been inactive since 2020, following a series of scandals within the group's lineup and the members' departures from FNC.

Lovelyz (Korean: 러블리즈) is a South Korean girl group formed in 2014 by Woollim Entertainment and is the company's first girl group. The group consists of eight members: Baby Soul, Jiae, Jisoo, Mijoo, Kei, Jin, Sujeong, and Yein. Their debut album, Girls' Invasion, was released on November 17, 2014.

BB Girls is a South Korean girl group consisting of members Minyoung, Eunji, and Yuna. Formed and produced by Brave Brothers through Brave Entertainment, the group initially debuted as a quintet named Brave Girls with the single album The Difference on April 7, 2011.

Kep1er is a South Korean girl group formed by CJ ENM through the Mnet reality competition show Girls Planet 999 in 2021. The group consists of six members: Kim Chae-hyun, Huening Bahiyyih, Choi Yu-jin, Kim Da-yeon, Ezaki Hikaru, and Shen Xiaoting. Originally a nine-piece ensemble, former members Kang Ye-seo and Sakamoto Mashiro departed from the group in July 2024, and Seo Young-eun departed in March 2026.

After School (Korean: 애프터스쿨) was a South Korean girl group formed by Pledis Entertainment, with an admissions and graduation concept. After School officially debuted in January 2009 with the song "Ah!" from the single album New Schoolgirl. Following the addition of Uee in April of that year, they released "Diva", which won the "Rookie of the Month" award at the Cyworld Digital Music Awards.