This is a list with K-Pop Groups that debuted in 2011.
Some of the most famous K-Pop Boygroups that debuted in 2011 are Block B, MYNAME and BOYFRIEND.
Famous K-Pop Girlgroups that debuted in 2011 are APINK, Stellar, Brave Girls and Rania .
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| Profile | Name | Alt | Korean Name | Debut | Company | Members | Or. Members | Type | Fanclub | Active |
|---|---|---|---|---|---|---|---|---|---|---|
| Profile | Apink | 에이핑크 | 2011-04-19 | Plan A | 5 | 7 | Girl | Pink Panda | Yes | |
| Profile | Dal Shabet | 달샤벳 | 2011-01-03 | Happy Face | 4 | 6 | Girl | Darling | Hiatus | |
| Profile | Brave Girls | 브레이브걸스 | 2011-04-08 | Brave | 4 | 5 | Girl | Yes | ||
| Blady | 블레이디 | 2011-05-16 | Star Planet | 5 | 4 | Girl | Hi ade | No | ||
| C-REAL | 씨리얼 | 2011-10-11 | NAP | 3 | 5 | Girl | No | |||
| ChoColat | 쇼콜라 | 2011-08-16 | Paramount | 5 | 5 | Girl | Chocolatier | No | ||
| F-ve Dolls | 5Dolls | 파이브돌스 | 2011-01-20 | MBK | 6 | 5 | Girl | No | ||
| GP Basic | 지피 베이직 | 2011-03-18 | Jacyhan | 4 | 6 | Girl | Spade | No | ||
| Profile | Stellar | 스텔라 | 2011-08-28 | Pascal | 4 | 4 | Girl | Twinkle | No | |
| Rania | 라니아 | 2011-04-06 | DR | 5 | 8 | Girl | No | |||
| Profile | Block B | 블락비 | 2011-04-15 | KQ | 7 | 7 | Boy | BBC | Yes | |
| MYNAME | 마이네임 | 2011-10-27 | H2 | 5 | 5 | Boy | MYgirl | Yes | ||
| Boyfriend | 보이프렌드 | 2011-05-26 | Starship | 6 | 6 | Boy | Bestfriend | No | ||
| N-Sonic | 엔소닉 | 2011-10-05 | C2K | 6 | 5 | Boy | No | |||
| N-Train | 엔트레인 | 2011-05-27 | MediaLine | 5 | 5 | Boy | No | |||
| Phantom | 팬텀 | 2011-11-25 | Brand New, RBW | 3 | 3 | Boy | No | |||
| M.I.B | 엠아이비 | 2011-10-26 | Jungle | 4 | 4 | Boy | No |