2017 disestablishments in South Korea

South Korean girl group

I.O.I (; also known as IOI or Ideal of Idol) is a South Korean girl group formed by CJ E&M through the 2016 reality show Produce 101 on Mnet. The group was composed of eleven members chosen from a pool of 101 trainees from various entertainment companies: Jeon So-mi, Kim Se-jeong, Choi Yoo-jung, Kim Chung-ha, Kim So-hye, Zhou Jieqiong, Jung Chae-yeon, Kim Do-yeon, Kang Mi-na, Lim Na-young, and Yoo Yeon-jung. They debuted on May 4, 2016, with the EP Chrysalis and actively promoted as a whole and as a sub-unit for less than a year.

Sistar (; stylized in all caps) was a South Korean girl group formed in 2010 by Starship Entertainment. The group consisted of Hyolyn, Bora, 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.

South Korean girl group

South Korean musical group; girl band

defunct container carrier company

South Korean girl group

South Korean musical group

South Korean musical group

company

Football club in Icheon, Korea

D.Holic () was a South Korean girl group formed by Star Road Entertainment (formerly H.Mate Entertainment) in 2014 with five members. Nine left the group in August 2015, for personal reasons, and was replaced by a new member, Hwajung. In July 2016, it was revealed through teasers that Danbee and Duri had decided to leave the group. A new member, EJ, was added to the line-up. In February 2017, it was confirmed through a performance that members Hami and Hwajung had departed from the group. They were temporarily replaced with new members, Nayoung and Youjin, although they never officially made t

South Korean girl group

South Korean boy band

thumb|The logo of Megalian.com Megalia () was a feminist movement on the South Korean Internet. It is most well known for the "mirroring" strategy that participants (Megalians) claimed to have used to defamiliarize misogynist ideas. Megalians mirrored the style of misogynist content but reversed gender roles, intending to provoke laughter or outrage.