List of South Korean idol groups

The following is a list of South Korean teen idol musical bands. This includes a list of boy bands and girl groups.

1990s

1996

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Young Turks Club (Y.T.C.)	영 턱스 클럽	5	Lim Sung Eun	Mixed			2008	1집: 임성은,송진아,한현남,지준구,최승민. 2•3집: 송진아,한현남,지준구,최승민,박성현. 4집: 송진아,한현남,전현정,김덕현,남현준. 5집: 송진아,한현남,전현정. 6집: 송진아,한현남,지준구,최승민,박성현. 7•8집: 한현남,지준구,최승민,박성현.
H.O.T.	에이치오티	5	Moon Hee Jun	Male	SM Entertainment	White Angels / White	2001	장우혁, 토니, 이재원이 결성한 j.t.l.과 나머지 멤버들로 팀이 분리되었다.
UP	유피	3	Kang Hyun	Mixed			1999	1997년, 리더 강현이 탈퇴하고 새 멤버 2명, 이정희, 박상후를 영입하여 4명이 되었다. 1998년, 두 번째 리더인 김용일이 탈퇴하고, 이켠을 새로 영입했다.

1997

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Sechs Kies	젝스 키스	6	Eun Ji Won	Male	DSP Media	DSF / Yellow	2000	In 2002, Jang Su Won and Kim Jae Duc formed J-Walk
Diva	디바	3	Chae Ri Na	Female	Unknown	N/A / Pearl Purple	2005	룰라 출신의 채리나가 결성한 힙합 그룹. 1999년 지니가 영주권 문제로 임시 탈퇴를 하였고, 이민경을 새로 영입하였다. 2000년 리더 채리나가 탈퇴하였고 과거 임시 탈퇴했었던 지니가 복귀하였다.
NRG	엔알지	5	Lee Sungjin	Male	Music Factory	Cheonjae Ilwoo / Pink	2006	2000년, 김환성이 질병으로 목숨을 잃었고, 2005년, 문성훈이 탈퇴하여 3명이 되었다.
S.E.S.	에스이에스	3	Bada (Sea)	Female	SM Entertainment	Friend / Pearl Violet	2002	SM's first girl group
Baby V.O.X.	베이비 복스	5	Kim E-Z	Female	DR Music	Baby Angels / Pearl Pink	2006	Many members were replaced; In 2007, Baby V.O.X. Re.V was created with new members

1998

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Shinhwa	신화 神話	6	Eric Mun	Male	SM Entertainment (1998-2003)	Shinhwa Changjo / Orange		Legends of K-pop. Known as the best dancers of K-pop with amazing vocal, dancing and variety skills. On hiatus, but will be making a comeback on March, 24th 2012
					Good Entertainment (2003-2007)
					Open World Entertainment (2008-present)
Fin.K.L.	핑클	4	Lee Hyori	Female	DSP Media	Pinkies / Pearl Red	2005
Han's Band	한스 밴드	3	Kim Hanna	Female				친자매로 구성된 소녀 밴드
Circle	써클	5	Lee Ji Hyun	Female			2000	한•중•일 소녀들로 구성된 다국적 그룹. 1999년 말 일본인 멤버 아야꼬 탈퇴, 기존 5인조에서 4인조로 재정비함.
S#arp	샵	4	Chris Kim	Mixed	World Music Entertainment	N/A / Red	2002	1998년 말 1집 Yes!로 데뷔. 후속곡 Lying 활동 때 래퍼 크리스 영입. 기존 5인조에서 6인조로 재 편성되지만 후속곡 활동 중간에 여성멤버 오희종 탈퇴. 1집 종료후 리더 존이 업타운 영입으로 탈퇴. 여성멤버 소리 영입. 2집부터 이지혜가 팀의 리더가 됨. 2집 종료 후 여성멤버 소리 탈퇴. 3집부터 5인체제에서 4인체제로 재정비 함. 2002년 5집 발표 후 활동을 하지만 여성멤버 불화로 공식 해체
Koyote	코요태	3	Shinji	Mixed	Trifecta Entertainment	Little Sun / Pearl Blue		2000년 2집 활동 후 차승민이 탈퇴하면서 김종민을 영입하였고, 2002년 리더 김구 탈퇴 후, 김영완을 객원 멤버로 영입하였다. 2003년 OPPA 출신의 정명훈을 정식 멤버로 영입하였으나 2004년에 바로 탈퇴하였고, 대신 빽가를 영입하였다.
1TYM	원타임	4	Teddy Park	Male	YG Entertainment	Hip-Hop Village / Black		Hip-hop group
4Men	포맨	3	Yong Jae	Male	Happy Face Entertainment			Originally a 4-member group, hence their name. Has had many member changes.

1999

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
g.o.d.	지오디	5	Park Joon Hyung	Male	JYP Entertainment	Fan God / Sky Blue	2005	In 2005, member Yoon Kye Sang left the group. Their manager was the former manager for H.O.T..
O-24	오투포	3	Lee Ga Hye	Female	Unknown	None	2000	During their first album, Ju Yeon Jung withdrew from the group after promotions finished for their follow-up single "First Love"
Cleo	클레오	3	Kim Hana	Female	Ho Entertainment		2004	In 2000, Park Ye Eun withdrew and Han Hyun Jung was added; in 2003, Chae Eun Jung withdrew and Jung Ye Bin was added
See U	씨유	3	Jini	Female	DongA Planning	None	2000
T.T.MA	티티마	5	Soy	Female	Music Factory		2002	In 2000, Queena and Juhae withdrew from the group; Euni and Zin were recruited
Click-B	클릭비	7	Kim Tae Hyung	Male	DSP Media	NIZI / Green	2002
As One	애즈 원	2	—	Female	DR Music
Chakra	샤크라	4	Hwang Bo	Female	Kiss Entertainment	Goddess / Purple	2006	In 2002, Eani withdrew from the group
Fly to the Sky	플라이 투 더 스카이	2	—	Male	PFull Entertainment (2005-09)	Fly High / Sky Blue		Legendary R&B duo with all-rounded talents, known exceptionally for their amazing vocal skills. Credited as Korea's first R&B duo. Went on hiatus to focus on solo activities.
					SM Entertainment (1999-04)

2000s

2000

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Ryanghyun Ryangha	량현량하	2	—	Male	JYP Entertainment	None		Twin brothers
Moon Child	문 차일드	3	Lee Soo	Male	GM Planning	N/A / Ivory		In 2002, they changed genre and renamed themselves MC the Max with 3 members
Papaya	파파야	5	Jo Hyekyung	Female	Cream Entertainment	N/A / Pink	2001	In 2001, Kang Kyung Ah and Hwang Yoon Mi left the group
To-Ya	투야	3	Kim Ji Hye	Female	Unknown	None	2001	First debuted in Japan

2001

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Jewelry	쥬얼리	4	Kim Eunjung	Female	Star Empire Entertainment	Jewelry Box / Pearl Blue		All original members including Park Jung Ah and Seo In Young have left the group. Currently the longest running girl group, replacing Baby VOX.
VoixCo	보이스코	4		Female	Jive Records	None	2003	Some members became members of Swi.T
KISS.	키스	3	Mini	Female	J-Entercom	None	2002
M.I.L.K	밀크	4	Park Hee-bon	Female	SM Entertainment	Milky Way / Pink	2004
NAZCA	나스카	6	Minkyung	Female	Unknown	None	2004
jtL	제이티엘	3	—	Male	Yejeon Media	None	2003	Former members of H.O.T

2002

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Sugar	슈가	3	Ayumi Lee	Female	Star World Entertainment	Sugar Island / Apricot	2006	In December 2004, Hwang Jung Eum withdrew from the group and Lee Harin was added to the group; in 2006, Park Soo Jin withdrew from the group;
Black Beat	블랙 비트	7	Lee So Min	Male	SM Entertainment	Soul Black / Pearl Black	2007	Former member, Kang Han, is now a member of rookie group "WE"
Shinvi	신비	3	Yoo Soo Jin	Female	SM Entertainment	Linos / Pearl Teal	2004
SWI.T	스위티	3	Ahn Naeyoung	Female	YG Entertainment		2004	Originally a 4-member group
Leessang	리쌍	2	Gary	Male	Jungle Entertainment	None		Rap duo. Leessang is part of "The Movement", a Korean hip-hop crew. They were in old group, Honey Family. Members Gary and Gil are also well known MCs for variety shows like Running Man and Infinite Challenge respectively.
LUV	러브	3	Eunbyul	Female	Sidus HQ	None	2003
Isak N Jiyeon	이삭N지연	2	Lee Jiyeon	Female	SM Entertainment	N/A / Pearl Wine	2004	Jiyeon is now a member of CSJH The Grace as Lina.
Nell	넬	4	Kim Jongwan	Male	Woollim Entertainment	None		Indie rock band picked up by Seo Tai-ji. They originally formed in 1999, but debuted in 2002. The group went on hiatus in 2008 for military services. They will be making a comeback in 2012.

2003

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Brown Eyed Soul	브라운 아이드 소울	5	Jungyeop	Male	Unknown			Debuted as a 4-member ballad group. In 2010, Lim Kyoung Tack joined the group. Known for their exceptional vocal talent.
Dynamic Duo	다이나믹듀오	2	—	Male	Amoeba Culture			Dynamic Duo is part of "The Movement", a Korean hip-hop crew.
TVXQ	동방신기 東方神起	2	Yunho	Male	SM Entertainment	Cassiopeia / Pearl Red		Known as The Kings of K-pop and the Leader of Hallyu Wave. Now promoting as a duo after three of them filed a lawsuit against SM Entertainment and formed JYJ under C-Jes Entertainment. Currently the No.1 boyband in South Korea.
Epik High	에픽하이	3	Tablo	Male	YG Entertainment	High Skool / Black		Epik High is part of "The Movement", a Korean hip-hop crew. Mithra Jin is currently doing his military service. DJ Tukutz finished his military service in 2011. Tablo is now in YG Entertainment, yet no information on Mithra Jin and DJ Tukutz current company.
					Woollim Entertainment

2004

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Shyne	샤인	2	—	Female	DSP Media	None	2007	Twin sisters duo
TRAX	트랙스	2	Typhoon	Male	SM Entertainment	Traxian / Pearl Cobalt Blue		Debuted as a 4-member group. Rose (No Min-woo) left the group in 2006 and became an actor. Attack (Kang Jung Woo) left in 2007 to pursue other interests.
Heart	하트	3	Jung Sorin	Female	Unknown	None	2006
V.O.S	브이오에스	2	—	Male	Star Empire Entertainment	Soulmate / Pearl Burgundy		Debuted as a 3-member group. V.O.S is short for "Voice Of Soul". Park Jiheon left the group in 2010.
SG Wannabe	SG 워너비	3	Kim Yongjun	Male	IS Entermedia Group (2009-present)	Love Room / Pearl Gold		Originally a 4-member group. In 2008, Chae Dong Ha left the group to pursue a solo career.
					Mnet Media (2004-2009)

2005

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
CSJH/The Grace	천상지희 天上智喜	4	—	Female	SM Entertainment	Shapley / Pastel Pink		Originally introduced as the female TVXQ during the early debut period. They went on a hiatus after member Stephanie suffered from back pain. Now promoting as a duo, Dana & Sunday.
SS501	더블에스오공일	5	Kim Hyun Joong	Male	DSP Media (2005-2010)	Triple S / Pearl Light Green		The 5 members are now pursuing solo activities, but are still united as SS501. Kim Hyun Joong is now under Key East, Heo Young Saeng & Kim Kyu Jong is with B2M Entertainment, while Park Jung Min and Kim Hyung Jun are now with CNR Media and S-Plus Entertainment respectively.
Soul Star	소울 스타	3	Lee Chang Geun	Male	Sidus HQ (2007-present)
					YG Entertainment (2005-06)
LPG	엘피지	3	Yoonah	Female	Chan2 Productions			In 2009, the second generation of LPG was formed; trot group
Paran	파란	5	Ryan	Male	NH Media	Blue Ciel / Pearl Sapphire Sky Blue	2011	All the members left to pursue their individual activities. AJ became a member of U-KISS and Ace debuted as a solo artist.
Perfume	퍼퓸	3	TiA	Female	Unknown	None	2006
Red Sox	레드삭스	5	Chae Young-in	Female	Unknown	None	2006
i-13	아이써틴	13	Lee Ji Eun	Female	Lime Entertainment	none	2006	The first group in South Korea to have a record number of people; in 2009, Min-jung, Ji-eun and Ga-jin became members of JQT.
Super Junior	슈퍼주니어	12	Leeteuk	Male	SM Entertainment	E.L.F. (Everlasting Friends) / Pearl Sapphire Blue		Debuted as a 12-member group. In 2006, Kyuhyun was added as the 13th member. In 2008, SJ-M was formed with 2 new members Henry and Zhou Mi. In 2009, Han Geng filed a lawsuit against SME to terminate his contract and has since returned to China to pursue a solo career. In 2010, Kangin went to do his military service. In 2011, Heechul also went to do his military service. Member Kibum is currently pursuing his acting career.
Monday Kiz	먼데이 키즈	3	Lee Jinsung	Male	CAN Entertainment			Debuted as a duo. After the death of member Kim Minsoo in 2008, the group went into hiatus. In 2010, Han Seunghui and Lim Hanbyul were added to form a 3-member group. Hanbyul is a former member of boy band, A'st1.
Norazo	노라조	2	—	Male	Winning InSight Entertainment	None
Gavy NJ	가비 엔제이	2	—	Female	Goodberry Entertainment	Happiness / N/A		R&B group originally having 3 members. In 2011, Heeyoung left the group to pursue a solo career.

2006

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Brown Eyed Girls	브라운 아이드 걸스	4	JeA	Female	Nega Network LOEN Entertainment	Everlasting / Yellow and Black		Originally a 5 member group before debut until Yoari, now a solo artist, was displaced.
SeeYa	씨야	3	Lee Boram	Female	Core Contents Media	SeeYa With You / Pearl Light Pink	2011	In 2009, leader Nam Gyuri left the group and was replaced by Lee Sumi; Lee Boram became the leader; Sumi was then withdrawn from SeeYa and became the leader of a 11-member mixed group Co-Ed School. Former leader, Gyuri, rejoined the band to promote SeeYa's final album in 2011.
Typhoon	타이푼	3	Woo Jae	Mixed	Trifecta Entertainment		2010	In 2008, Solbi left the group and was replaced by Hana who withdrew from the group after 2 months. Lee Kyung replaced Hana in 2009. Typhoon officially disbanded in January 2010.
Big Bang	빅뱅	5	G-Dragon	Male	YG Entertainment	V.I.P. / Black and Yellow		Hip-hop group. All members have very prominent solo careers.
Battle	배틀	5	Ryu	Male	Good Entertainment	Battle Destiny / Pearl Gold		Originally a 6-member group chosen by Shinhwa during Shinhwa Battle; Shin Ki-hyun left to pursue an acting career
2NB	투앤비	2	—	Female	2B Entertainment
Xing	씽	5	Dong Geun	Male	Xing Entertainment		2009	All original members have left the group. 5 of the former members formed a new boy band, The Boss. Former members Kevin and Kibum became members of U-KISS. Former member Junhyung became a member of Beast. Two other former members, Zin and Sulhu, became members of X-5.

2007

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Code-V	코드브이	5	Sangwoo	Male	Code M Agency	V-intage / N/A		Debuted under the name of Bless but did not have a successful debut. Taemin left the group in June 2010 and was replaced by Seo Min Ho.
Five Girls	오소녀	5	Jina	Female	Good Entertainment	None	2007	Composed of G.NA, Wonder Girls' Yoo Bin, Spica's Jiwon, Secret's Hyo Sung and After School's UEE. Disbanded because of financial problems.
Black Pearl	블랙펄	4	Nami	Female	Core Contents Media	N/A / Pearl Black		Member Mika withdrew from the group; Lee Jung Min was added
Baby Vox Re.V	베이비 복스 리브	5	—	Female	DR Music	Second Wing / Pearl Pink	2009	Remake group of Baby V.O.X; in 2007, Myung Sa Rang withdrew from the group to continue her studies in Singapore; in 2008, Oh Min Jin and Park So Ri was added; in 2009, Yang Eun Ji and An Jin Kyoung left the group; in 2010, An Jin Kyoung debuted as a solo artist
Wonder Girls	원더걸스	5	Sunye	Female	JYP Entertainment	Wonderful / Pearl Burgundy		HyunA (now a member of 4minute) and Sunmi left the group and Yu-Bin and Hye-Rim (Lim) were added. Currently in the process of debuting in the United States.
KARA	카라	5	Park Gyuri	Female	DSP Media	Kamilia / Pearl Peach		Debuted as a 4-member group; Kim Sunghee withdrew from the group to focus on her studies and Goo Ha-ra and Kang Jiyoung were added to form a 5-member group
F.T. Island	에프티 아일랜드	5	Choi Jong Hun	Male	FNC Music	Primadonna / Yellow		Idol band, Oh Won Bin withdrew due to musical differences and Song Seung Hyun was added. Created the Flower Boy Image.
Girls' Generation (SNSD)	소녀시대 少女時代	9	Taeyeon	Female	SM Entertainment	SONE / Pastel Rose		Known as Korea's resident girl group. They are the first group that broke record sales and won 9 consecutive wins on one song. The group became the face of Korean tourism in 2011.
T-Max	티맥스	5	Shin Min Chul	Male	Planet 905	Mighty Max / Midnight Blue	2011	Originally debut as a 3-member group with Shin Min Chul, Kim Jun, and Park Yun Hwa. In 2010, Park Yun Hwa left for military service and Park Han Bi and Joo Chan Yang were added into the group.
Sunny Hill	써니힐	5	Jang Hyun	Mixed	LOEN Entertainment	HːLLЁR / Sunshine Yellow		Debuted as a 3-member group, member Kota was added in 2010 for their collaboration with BEG's Narsha. In 2011, Misung was added to form a 5-member group.
Supernova	초신성 超新星	6	Jung Yoon Hak	Male	Core Contents Media	Tinkerbell / Pearl		Promotes primarily in Japan.
8Eight	에이트	3	Hyun	Mixed	Big Hit Entertainment	Sweet Voice / N/A		Lee Hyun occasionally collaborates with 2AM's Changmin in the group "Homme".

2008

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Davichi	다비치	2	Lee Haeri	Female	Core Contents Media	Girls High / N/A		Known for their excellent vocal talent and frequently collaborates with many other artists.
SHINee	샤이니	5	Onew	Male	SM Entertainment	SHAWOL (SHINee World) / Pearl Aqua
2AM	투에이엠	4	Jo Kwon	Male	JYP Entertainment Big Hit Entertainment	I AM / Metallic Gray		Ballad group, originally part of "One Day" with 2PM until they formed two separate groups. Member Changmin also collaborates with 8Eight's Lee Hyun in the group "Homme".
2PM	투피엠	6	—	Male	JYP Entertainment	Hottest / Metallic Gray		In early 2010, leader Jay Park withdrew from the group. They were originally a part of "One Day" with 2AM until they formed two separate groups.
A'st1	에이스타일	6	Park Jung Jin	Male	DSP Media	Eunice / Pearl Purple	2009
Mighty Mouth	마이티 마우스	2	Sang Chu	Male	101 Entertainment			Their albums feature many other singers.
DNT	디엔티	4	Moon Jun Yong	Male	Orange Entertainment	DAY / Chocolate		In 2009, Chiho left for military duties and was replaced by Dongwook. In 2010, Taegu left for military duties and was replaced by Karin and Min. Min withdrew after a month and was replaced by Jungjo. In 2011, Dongwook and Karin left for military duties and Chiho returned to the group.
U-KISS	유키스	7	SooHyun	Male	NH Media	Kiss Me / Pearl Pink		Debuted as a 6-member group. In 2009, Ki Seop was added. In 2011, Ki Bum and Alexander left the group because their contracts were canceled and AJ and Hoon were added.
SMASH	스매시	6	Nam Hyun	Male	TN Entertainment	smaSHE / N/A		Debuted and primarily promotes in Japan.
Untouchable	언터쳐블	2	—	Male	TS Entertainment			The group released their first single on August 24, 2006, but made their official debut on October 10, 2008 with their hit single "It's Okay" ft. Hwayobi.

2009

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Supreme Team	슈프림팀	2	Simon D	Male	Amoeba Culture	None		They are known as the second Dynamic Duo.
Brand New Day	브랜뉴데이	3	—	Female	Castle J Enterprise
HAM	햄	3	—	Female	Leeyeon Entertainment			Now promoting as a trio.
Lady Collection	레이디컬렉션	3	—	Female	Unknown
B2Y	비투와이	4	Han Yeon	Mixed	2B Entertainment		2011	The original band was formed by two girls and two boys. In late 2010, the original members left the band due to legal and other reasons.
After School	애프터 스쿨	8	Kahi	Female	Pledis Entertainment	Play Girlz / Play Boyz / Yellow		Debuted as a 5 member group. Uee was added in April 2009. Later Soyoung dropped out in October and Raina and Nana joined. Lizzy was added to the group in March 2010. E-Young joined the group in December 2010. In July 2011, Bekah graduated from After School to pursue her dreams of becoming a designer.
Jumper	점퍼	5	Park Dongmin	Male	T.O.P Media			Debuted as a duo; 3 members to be added to form a 5-member group
10cm	십센치	2	—	Male	Unknown			Acoustic duo
2NE1	투애니원	4	CL	Female	YG Entertainment	Blackjack / Hot Pink		Sandara Park was originally a singer/actor in the Philippines, CL & Park Bom collaborated with numerous YG artists before debuting with 2NE1, and Minzy is the granddaughter of a legendary korean folk dancer. Officially debuted in a collaboration with Big Bang.
4minute	포미닛	5	Nam Ji Hyun	Female	Cube Entertainment	4Nia / Pearl Violet		Member HyunA was originally a member of the Wonder Girls but left due to health reasons.
T-ara	티아라	7	Soyeon	Female	Core Contents Media	Sweet Treasure / N/A		Originally a 5 member group but Ji-ae and Jiwon withdrew before debut and Boram, Qri, and Soyeon were added. In 2010, Hwayoung joined the group. The group is constantly changing leaders in order for each member to have a sense of responsibility within the group. Main Vocalist Soyeon is the newest leader.
f(x)	에프엑스	5	Victoria Song	Female	SM Entertainment	aff(x)tion / Pearl Light Periwinkle		Member Krystal Jung is the younger sister of SNSD's Jessica.
MBLAQ	엠블랙	5	Seungho	Male	J.Tune Camp	A+ / Pearl Chocolate		Created by Korean entertainer Rain. Kim Sangbae left before debut and was replaced by Thunder.
CNBLUE	씨엔블루	4	Jung Yong Hwa	Male	FNC Music	Boice / Blue		Korean indie band. Their debut album placed no. 1 on Music Charts. Started as a rookie band in Japan. Kwon Kwangjin left the group in 2009 and Lee Jungshin was added. Leader Yonghwa is also noted for his roles in You're Beautiful and Heartstrings
Beast/B2ST	비스트	6	Doo Joon	Male	Cube Entertainment	B2UTY (Beauty) / Dark Gray		Hyunseung was originally supposed to debut in Big Bang. Junhyung was formerly known as "Poppin' Dragon" in Xing. Kikwang was formerly a solo artist called "AJ". Doo Joon trained with the group that split up into 2AM and 2PM. Yoseob and Dongwoon were also originally JYP trainees.
JQT	제이큐티	4	Min Jeong	Female	GP Entertainment			Some members were former members of disbanded group I-13. On September 2011, Min Sun withdrew from the group and was replaced by Jin Kyung. Currently in the process of debuting in the United States.
Secret	시크릿	4	Hyo Sung	Female	TS Entertainment	SECRETTIME / N/A		Hyosung was a member of Five Girls before joining Secret. Sunhwa was a finalist on a talent show called "Superstar Survival" aired on SBS with 2PM's Taecyeon, Lee Junho and Chansung. Jieun was former JYP trainee and she had a solo career prior to joining Secret, singing in various OST's and releasing her debut single "Yesterday" in December 2009. And Zinger attended the same dance school with 2NE1's CL and Wonder Girl's Sunye.
Rainbow	레인보우	7	Kim Jaekyung	Female	DSP Media	Rain-nous / N/A		Lee Joo Bin, Min Ji Hye & Jang Ji Soo left before debut. Woori and Hyunyoung are former SME trainees. Jaekyung is a former JYPE trainee.
Jewelry S	쥬얼리 S	2	—	Female	Star Empire Entertainment	Jewelry Box / Pearl Blue		First created with Baby J and Eunjung. 2011 iteration features Semi and Yewon.
December	디셈버	2	—	Male	CS Happy			Ballad duo
Shu i	슈아이	5	In Seok	Male	미디어	Was-i / Purple		Mainly focuses their activities in Japan after 2009.

2010s

2010

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Bebe Mignon	베베 미뇽	3	Hae-Geum	Female	Wayihu Enterprise			Ballad group.
Girl2School	걸2스쿨	6	—	Female	LP Entertainment	None		Rotating rookie girl group. Originally a 14 member group.
20star	20스타	20	A-Run	Male	TGN Entertainment	None	2010	20-member boy band, never debuted.
Vanilla Lucy	바닐라루시	3	—	Female	HM Entertainment			Instrumental girl group; member Bae Da Hae left the group in 2010
Girl Story	걸스토리	4	—	Female	Ants Star Company			The youngest girl group to debut in 2010.
GP Basic	지피 베이직	6	Leah	Female	GP Entertainment	Basically / Purple		The 2nd youngest girl group to debut. In 2011, Hannah left the group and Mui was added.
Chocolate	초콜릿	5	Bom	Female	H Line Entertainment	None	2010	Disbanded not long after debut due to scandal that broke out about H Line.
Orange Caramel	오렌지 카라멜	3	Raina	Female	Pledis Entertainment			Composed of the third generation members of After School, Raina, Nana and Lizzy.
TOUCH	터치	5	Sungyong	Male	YYJ Entertainment			"The Original Undeniable Charismatic Homme" Debuted as a 7-member group. Dabin departed from the group shortly after debut and Han Jun left the group in 2011.
VNT	브이엔티	2	Tina	Female	Media Line	None	2011	Debuted as a 3-member group. All members were born in the year 1992, hence their group name VNT: Voice of Ninety Two; member Lil J withdrew from the group in 2011; recent news has hinted that VNT disbanded following Lil J's departure.
One Way	원웨이	3	Michael	Male	Unknown	One Love / N/A		Hip-hop trio
F1rst	퍼스트	7	Sul-hee	Mixed	K-Yen Media			Originally an 8-member group made up of four girls and four boys, but in 2011, HayJ, Lina, and Ray left the group and Minkyung and Doa were added. Some are former models.
Co-Ed School	남녀공학 男女共學	11	Soomi	Mixed	Core Contents Media	Classmates / N/A		Soomi left SeeYa to join Co-Ed School. Chanmi was a trainee for the group that became Girls' Generation. Seo Eun Gyo (former JYP trainee) joined in late 2010 but first debuted in sub-unit group, 5dolls. In 2011, Shin Jong Kook (finalist on Superstar K3) was added and Kangho withdrew from the group to focus on an acting career.
Dalmatian	달마시안	6	Inati	Male	IS Entermedia Group	Dalmate / N/A		Simon left before the group's original debut. DayDay used to be a rap teacher for JYP Ent. and trained artists such as 2PM, Wonder Girls, SISTAR and Secret. Dari enlisted in the military on the 25th of April, 2011.
Nine Muses	나인뮤지스	8	Sera	Female	Star Empire Entertainment			Model-Idols. Shortly after debut, Jaekyung withdrew from the group and Hyuna was added. In mid-2011, Rana and Bini withdrew from the group to focus on an acting career. In November 2011, Kyungri joined the group.
miss A	미쓰에이	4	—	Female	JYP Entertainment AQ Entertainment	Say A / N/A		Four member Korean and Chinese group.
Girl's Day	걸스데이	5	Sojin	Female	Dream Tea Entertainment	Dai5y (Daisy) / N/A		Shortly after debut, Jisun and Ji-in withdrew from the group and Yura and Hyeri were added.
LED Apple	레드애플	6	Hanbyul	Male	Startory Entertainment	LEDA / N/A		Debuted as a 5-member group. ChiHoon left the group before debut due to differences in music styles. I-OH left the group due to illness. Seunghyun and Minyong left the group after debut promotions and Kyumin, Jaehoon, and Hyosuk were added. In November 2011, Jaehoon left the group and KeonU and Hanbyul were added.
Teen Top	틴탑	6	C.A.P	Male	T.O.P Media	Angel / Pearl Light Lavender		Created by Andy Lee of Shinhwa.
INFINITE	인피니트	7	Sungkyu	Male	Woollim Entertainment	Inspirit / N/A		Sungkyu, Woohyun, L , and Sungjong were featured in Epik High's "Run" music video. Known for their impeccable synchronization while dancing. They are also known as "trend idols."
Young Gun	영건	3	—	Male	굿펠라즈			Ballad Trio. Debut Single's MV starring JiYeon of T-ara.
SISTAR	씨스타	4	Hyorin	Female	Starship Entertainment	Star1 / Fuschia		Soyu was a candidate member for 4minute and Hyorin is a former JYP trainee.
F.Cuz	포커즈	5	Jin On	Male	CAN Entertainment	Runway / N/A		Originally a 4-member group. Main vocalist LeeU withdrew from the group in May 2011. Their name is pronounced "Focus".
ZE:A	제국의아이들	9	Moon Jun Young	Male	Star Empire Entertainment	ZE:A'S (ZE:A Style) / Pearl Gold		Their name means "Children of Empire".
JYJ	—	3	—	Male	C-JeS Entertainment			Formed by the three members of TVXQ who left the group due to contract disagreement with their former company.
The Boss	대국남아 大國男兒	5	Mika	Male	Open World Entertainment	N/A / Pearl Terracotta		All members were former members of boy band, Xing. Promotes primarily in Japan.
Electro Boyz	일렉트로 보이즈	3	Maboos	Male	Brave Entertainment			Hip-hop group. Debuted as a duo. In 2011, Chakhun was added to form a 3-member group.
Soul Harmony	소울 하모니	2	—	Mixed	Unknown			Member Gayeon suffers of a sleeping disorder that every time she sits down, she falls asleep. She also formed part of R&B duo Club Soul
Rubber Duckie	러버더키	3	Baemi	Female	Unknown
Homme	옴므	2	—	Male	JYP Entertainment Big Hit Entertainment			Collaboration group between 8eight's Hyun and 2AM's Changmin
S.M. The Ballad	—	4	—	Male	SM Entertainment			Composed of TRAX's Jay, Super Junior's Kyuhyun, SHINee's Jonghyun and rookie singer Jino. They are described as their label's Vocal Unit Group.
GD & TOP	—	2	—	Male	YG Entertainment			Big Bang's duo unit composed of leader/rapper G-Dragon and rapper T.O.P. The sub-unit was created in preparation to Big Bang's 4th EP.

2011

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fanclub name / Official color	Disbanded	Notes
Dal Shabet	달샤벳	6	Viki	Female	Happy Face Entertainment	Darling / N/A		Produced by E-Tribe.
Piggy Dolls	피기돌스	3	Minsun	Female	Winning InSight Entertainment			Known for their significantly large size during debut, but lost a lot of weight afterwards.
5dolls	파이브돌스	5	Soomi	Female	Core Contents Media			They are the female sub-group of Co-Ed School. They debuted after SeeYa finished promotions of their final album in 2011.
BBAN	비비안	3	Han Ok	Female	Victory J Entertainment
Clover	클로버	3	Tyfoon	Mixed	GYM Entertainment			Composed of Eun Ji Won, Gilme, and Tyfoon.
LA.G	라지	5	—	Female	InterVidi Entertainment			Classical girl group
HARASORA	하라소라	2	—	Female	South Park Pictures
Coin Jackson	코인 잭슨	6	Mari	Female	PPP Entertainment	None	2011	A six member hip hop A Capella group. It has been reported that after their first release that the members have gone their separate ways and one member even debuted solo later the same year.
G.IAM	지아이엠	5	A-TOM	Male	Red Apple Entertainment			Debuted under Gepetto Theater Entertainment originally.
Bella	벨라	3	Lucy	Female	Apple Entertainment
CHI CHI	치치	5	—	Female	Yedang Entertainment	Shy Girl / N/A		Originally a 7-member group. Nara, Peach and Ji-U withdrew from the group. Shine was added. Their name is an acronym for "Creative Electronic House Idols".
INY	아이니	3	—	Female	unknown
Leader'S	리더스	24	Cindy	Female	TGN Entertainment			Debuted as a 7-member unit group. Consists of 3 groups of 8, having a total of 24 members.
A-Peace	에이피스	26	—	Male	Golden Goose Entertainment			Largest boy band to debut in 2011. Originally was going to be named, Double B/21. Composed of four teams.
RaNia	라니아	7	Saem	Female	DR Music	RANIAN		Has members from Korea, Japan, China, and Thailand; pre-debut nickname was 'the 3rd Baby VOX'. Formerly produced by Teddy Riley.
Brave Girls	브레이브 걸스	5	Eun Young	Female	Brave Entertainment	FEARLESS/ N/A		Produced by famous South Korean producer Brave Brothers.
Block B	블락비	7	Zico	Male	Brand New Stardom Entertainment	BBC (Block B Club) / Purple		Zico is a former SM trainee and was originally supposed to debut with SHINee. Jaehyo trained with Beast and B-Bomb trained with Infinite. They have written over 120 songs by themselves before their debut
X-5	엑스파이브	5	Ghun	Male	Open World Entertainment	N/A / N/A		Known as "Tall-dols" which means Tall Idols or "Model-dols" despite of their height. Their average height is 187cm. Ghun and Haewon are former member of trot group, 3 Chongsa. Zin and Sulhu are former members of XING.
A Pink	에이핑크	7	Chorong	Female	A Cube Entertainment	Pink Panda / N/A		Naeun was featured in Beast's "Breath" and "Beautiful" music videos. Chorong was featured in Beast's "Shock" music video.
B1A4	비원에이포	5	Jinyoung	Male	WM Entertainment	BANA / N/A		Nicknamed "Country-dols" because all their members are from the South Korean countryside.
Ei-Yo	에이요	2	—	Female	HWIAD Entertainment			Member Kim Seul Mi left the group sometime before the end of 2011 and will now re-debut in upcoming Nanda M Company group BT-swing.
SpinEL	스피넬	2	Spin	Female	JOIN.S Entertainment			Acoustic Guitarist Girl Duo
SISTAR19	씨스타19	2	Hyorin	Female	Starship Entertainment	Star1 / Fuschia		Sistar's sub group. Composed of Hyorin and Bora.
Blady	블레이디	4	Da Rae	Female	SY6 Entertainment	Hi Ade / N/A
Boyfriend	보이프렌드	6	Donghyun	Male	Starship Entertainment	Best Friend / N/A		Has identical twins, the twins are former trainees of JYP Entertainment. Their debut single 'Boyfriend' starred Bora from Sistar.
Swincle	스윙클	5	Jisoo	Female	Kant Entertainment			Jisoo was a former trainee of DSP Entertainment and was going to debut with Rainbow
N-Train	엔 트레인	5	Jungkyun	Male	MediaLine Entertainment			Leader Jungkyun was former member of group, TACHYON, disbanded in 2008. Rapper Seunghyun was former member of group name Monster, debuted in 2007. Other 3 members were backup dancers for female group, VNT.
Carcaro Girl	카카오걸	6	—	Female	Unknown
BGH to	비지에이치투	3	—	Female	Unknown			First single features T-ara's Ham Eun-jeong.
Eye To Eye	아이투아이	3	—	Female	Unknown
FIX	픽스	5	Noori	Male	Groove Entertainment			Revealed through drama 'Big Heat' back in June. Member Oh Song released a solo single and was a previous member of Sponge Band; member Jungwook was a former member of Vanhaja, and is also the cousin of Super Junior member Ryeowook. Although an OST has been released, they are going to debut in 2012 formally.
M&D		2	Heechul	Male	SM Entertainment	none	2011	SM's project group composed of Super Junior's Heechul and TRAX's Jungmo. Heechul announced M&D's disbandment on July 2011.
B.o.M	비오엠	4	Sechang	Male	Y2Y Contents			Sechang was a child actor. Raewon released two digital singles in 2010 and is known for having served in the army at the Blue House under the presidencies of the late Roh Moo-hyun and Lee Myung-bak. Yua had an acting experience in KBS's "Dream High". Tagoon formerly trained with Block B. In November 2011, Raewon left the group for personal reasons and Jisoo was added.
HITT	히트	6	Hayong	Male	Sony Music			Has received praise from pianist Yiruma and vocal group 4Men.
AS BLUE	애프터 스쿨 블루	4	Jooyeon	Female	Pledis Entertainment	Play Girlz / Yellow		After School's project group composed of members Jooyeon, Raina, Lizzy and E-young.
AS RED	애프터 스쿨 레드	4	Kahi	Female	Pledis Entertainment	Play Girlz / Yellow		After School's project group composed of members Kahi, Jung Ah, UEE and Nana.
Twi-Light	트와이라이트	7	Siwan	Male	TGN Entertainment			Some of the members were a part of 20-member boy band, 20star.
Elizabeth	엘리자베스	2	S-Cat	Female	South Park Pictures			"Korea's Lady Gaga"
Super 8 Bit	슈퍼에이트빗	3	—	Female	Evans Music			Punk rock trio. Previously toured Japan under the name "Shorty Cat".
Chocolat	쇼콜라	5	Min Soa	Female	Paramount Music	Chocolatier		Some of the members are of mixed ethnicities.
Swing Girls	스윙걸즈	5	Seon In	Female	Unknown			"D-Cup girl group"
Stellar	스텔라	4	—	Female	Top Class Entertainment			Produced by Eric Mun of Shinhwa. Member Ga Young is also an actress. First single "Rocket Girl" features Shinhwa's Eric Mun. On January 25th 2012 it was announced that Yiseul and Joa would leave the group and resume activities as ballad duo Honeydew. Stellar will be adding two new members, Hyoeun and Minhee, and will make a comeback in February of 2012.
BB.Boys	비비보이즈	3	Taehee	Male	CJ E&M			Debut track "We Will Be Okay" features Cube Entertainment singer G.NA.
Sweet Revenge	스윗 리벤지	4	Kim Soyoung	Female	Unknown			Female rock band from Hongdae, Seoul. Is nicknamed the "SNSD of Hongdae" due to Kim Soyoung's resemblance to Girls' Generation leader Taeyeon.
April Kiss	에이프릴키스	6	Soomin	Female	Andy Bros.
ESQ	이에스큐	5	K9	Male	Avance Entertainment			5-member "international" boy band with members of various ethnicities. Member Kyungmin almost became a trainee with JYP Entertainment, while leader K9 passed auditions with SM Entertainment but soon left afterwards. Member Kyle auditioned for Cube Entertainment back in 2011 and before that worked as a model in Japan briefly.
N:SONIC	엔소닉	5	J.Heart	Male	LOEN Entertainment
M.Peror	엠퍼러	6	Kangon	Male	Fly Music Entertainment
C-Real	씨리얼	5	Chemi	Female	NAP Entertainment			Member Re Dee previously appeared on MBC's "Birth of a Great Star". Their music video for their debut single "NO NO NO NO NO" starred Thunder from MBLAQ as the male lead.
M.I.B	엠아이비	4	5Zic	Male	Jungle Entertainment	Busterz		Said to debut with the most expensive debut album to date of USD $1.7Million. Released a "spin-off" promotion to their debut.
BoyZ	보이즈	5	—	Male	VIP Entertainment			Originally named VIP.
MYNAME	마이네임	5	Gunwoo	Male	H2 Media	NAMETAGS		5-member boy band created by Fly To The Sky member Hwanhee. Seyong appeared in the KBS drama "I Believe in Love/My Love, My Family" and was also a former JYP Entertainment trainee, while Insoo was a former Superstar K2 contestant. Seyong & Insoo were also Hwanhee's backup dancers. Insoo was the choreographer for the title song, "Message."
WE	위	4	Macho	Mixed	202 Entertainment			R&B and hip-hop Group created by DJ D.O.C. member, Kim Chan Ryul. Lead Vocalist, Kang Han, was a former member of boy band, Black Beat from SM Entertainment. Mandu help choreographed for Wheesung, Se7en, Taeyang, SS501 and SHINee.
Clinah	클리나	4	Han Yuna	Female	Dino Entertainment			Female rock band.
AA	더블에이	5	Woosang	Male	Wellmade STAR M			Debut track, "Because I'm Crazy" was composed by member Aoora and choreographed by Woosang. Aoora was previously a solo artist, known as Gn.E
TAKEN	테이큰	6	Seongwon	Male	Again45 Entertainment			Self-managed and self-promoted; it is noted also that the group came up with the concept and sound for their debut single 'Young Boy'.
Woman Power	우먼파워	3	Suki	Female	Nextar Entertainment			A project group composed of three members who were solo artists. Kim Greem and Lee Boram were both finalists on Superstar K2.
AXIZ	엑시즈	5	Junhyung	Mixed	Universal Music			Rock band composed of 4 males and 1 female
New F.O.	뉴에프오	5	JN	Female	EnterArts Global			Stands for New Female Order. Group created by 6theory and EnterArts Global. Member Dana is the sister of Mino from BoM. JN (Jisun) is a former member of Girl's Day.
Phantom	팬텀	3	Kiggen	Male	Brand New Music			Hip-hop trio
Bang & Zelo	방용국 & 젤로	2	-	Male	TS Entertainment			A sub-unit group of B.A.P consisting of Bang Yong Guk and Choi Zelo.
M.E.N	엠이엔	5	—	Male	Unknown			5-member boy band who debuted exclusively in Japan. Composed of former members of Battle, Typhoon, and A'st1, as well as actor Im Youngpil of Sungkyunkwan Scandal, and Yoon Gwangsun.

2012

Name	Hangul/Hanja	Number of members	Leader	Gender	Agency/Entertainment	Fan Club Name/Official Colour	Disbanded	Notes
NU'EST		5	JR	Male	Pledis Entertainment			Pledis' upcoming male group.
EXO	엑소	12		Male	SM Entertainment			SM's newest boy band, with Korean and Chinese members. The group will be promoting in two units at the same time - EXO-K (Korean) and EXO-M (Mandarin). Ten teaser videos were released by SM Entertainment introducing members Kai, Lu Han, Tao, Se Hun and Lay. Chen, another member was also introduced on their website. Other members will be revealed in the similar format.
Rainbow Pixie	레인보우 픽시	3	Seungah	Female	DSP Media	Rain-nous / N/A		Comprised of three members from Rainbow: SeungAh, Jisook and Hyunyoung
B.A.P	비에이피	6	Yong Guk	Male	TS Entertainment			Bang Yong Guk first appeared as a featured rapper on the song "Going Crazy" by labelmate Song Jieun. Bang Yong Guk & Zelo were in a subunit called Bang & Zelo and released their debut single "Never Give Up". Himchan is a ulzzang multi-instrumentalist who was an MC on MTV's The Show. The other 3 members were revealed on their 1st variety show, "Ta-dah! B.A.P."
EXID		6		Female	AB Entertainment			Produced by Shinsadong Tiger
Viva Girls	브이바걸스	5		Female	Media Line			The 2 former members of VNT were in the group. Originally supposed to debut in 2011, however, the original line-up all left and went to different companies.
E-7	이세븐	7		Male	Excellent Entertainment
Six Bomb	식스밤	6	Hyejin	Female	Jang Entertainment			Member Subin is known as SNSD's Yoona's best friend since elementary school. Rapper Dok2's older brother Mr. Gordo was in charge of creating the girls' debut track, "Chiki Chiki Bomb".
ChAOS	카오스	5	Heejae	Male	Winning InSight Entertainment	ChaoNyx		Debuting under the same company as Norazo and Piggy Dolls; debuting simultaneously in both Korea and Japan. Eldest Taeyang was forced to add his last name into his name due to fan complaints of Big Bang's Taeyang.
BT-swing	비티스윙	4	Xing Na	Female	Nanda M Company			Member Kim Seul Mi is formerly a member of 3-member-girl-group, EI-YO under Hwiad Entertainment. Previously, labelmate B2LADY's Siwoo was preparing to debut with BT-swing but decided to leave the group and stayed with B2LADY instead.
Spica	스피카	5	Jiwon	Female	B2M Entertainment			Jiwon is a former member of Five Girls and T-ara and is also an actress and model. Narae was one of the Top 10 contestants in the first season of Superstar K. Joohyun was featured in Heo Young Saeng's solo single, "Let It Go". Kim Boa was Infinite's vocal trainer. Bohyung is a former YG trainee. Their first single, "Potently", features labelmate, Lee Hyori.
Lay.T	레이티	5	Nara	Female	Baeksang Entertainment			The group introduces a new style, the "tisco", the junction of trot and disco.
4Heaven	포헤븐	4		Male				Ballad group
Invadas	인베이다스	2	—	Male				Rap duo
Prizmoliq	프리즈몰릭	2	—	Male	Grand Pics Entertainment
Venus		TBA		Female	Pledis Entertainment			Pledis' upcoming girl group. 12 girls are currently in the running to join the group, however not all will make it into the final group.