This is a list with K-Pop Groups that debuted in 2020.
Some K-Pop Boygroups 2020 debuts are Cravity, ENHYPEN, MCND, DKB and TOO.
K-Pop Girlgroups that debuted in 2020 are cignature, weeekly, and woo!ah!. Secret Number and REDSQUARE also debuted on the same day (May 19, 2020).
Red Velvet‘s sub-unit Red Velvet Irene & Seulgi also debuted in 2020.
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| Profile | Name | Alt | Korean Name | Debut | Company | Members | Or. Members | Type | Fanclub | Active |
|---|---|---|---|---|---|---|---|---|---|---|
| Profile | Episode | 에피소드 | 2020-02-04 | Pops | 5 | 5 | Girl | Yes | ||
| Profile | DKB | Darkbee | 다크비 | 2020-02-03 | Brave | 9 | 9 | Boy | Yes | |
| Profile | cignature | 시그니처 | 2020-02-04 | C9 | 7 | 7 | Girl | Yes | ||
| Profile | CRAVITY | 크래비티 | 2020-04-14 | Starship | 9 | 9 | Boy | Yes | ||
| Profile | Weeekly | 위클리 | 2020-07-30 | Play M | 6 | 7 | Girl | Yes | ||
| 2Z | Tuzi | 투지 | 2020-01-14 | Morph | 5 | 5 | Boy | Yes | ||
| B.O.Y | 비오브유 | 2020-01-20 | Music Works | 2 | 2 | Boy | Yes | |||
| Profile | CRAXY | 크랙시 | 2020-03-03 | SAITEINMENT | 5 | 5 | Girl | Yes | ||
| D.COY | 디코이 | 2020-02-19 | Rolling | 5 | 5 | Boy | Yes | |||
| Dustin | 더스틴 | 2020-01-06 | LPA | 7 | 7 | Boy | The Sten | Yes | ||
| E'LAST | 엘라스트 | 2020-06-09 | E Entertainment | 8 | 8 | Boy | Yes | |||
| F.able | 페이블 | 2020-06-04 | Haerium | 5 | 5 | Boy | Yes | |||
| KEEMBO | 킴보 | 2020-04-10 | ARA-LINE | 2 | 2 | Girl | Yes | |||
| Profile | MCND | 엠씨엔디 | 2020-02-27 | TOP Media | 5 | 5 | Boy | Yes | ||
| MY.st | 마이스트 | 2020-03-26 | MYStar | 5 | 5 | Boy | No | |||
| OFF THE CUFF | 오프더커프 | 2020-04-02 | Purple | 5 | 5 | Boy | No | |||
| Profile | REDSQUARE | RSQ | 레드스퀘어 | 2020-05-19 | About | 5 | 5 | Girl | Yes | |
| Profile | SECRET NUMBER | 시크릿넘버 | 2020-05-19 | Vine | 5 | 5 | Girl | Yes | ||
| Profile | TOO | 티오오 | 2020-04-01 | n.CH | 10 | 10 | Boy | Yes | ||
| Profile | UNVS | 유니버스 | 2020-02-23 | CHITWN | 5 | 5 | Boy | Yes | ||
| Profile | woo!ah! | 우아 | 2020-05-15 | NV | 5 | 6 | Girl | Yes | ||
| XENEX | 제넥스 | 2020-02-26 | GiEok | 5 | 5 | Boy | Yes | |||
| Profile | Bling Bling | 블링블링 | 2020-11-17 | Major9 | 6 | 6 | Girl | Yes | ||
| Profile | STAYC | 스테이씨 | 2020-11-12 | Hi-Up | 6 | 6 | Girl | Yes | ||
| Profile | Precious | PRCS | 프레셔스 | 2020-09-23 | Umi | 5 | 5 | Girl | Yes | |
| Profile | XUM | 썸 | 2020-09-22 | A100 | 3 | 3 | Girl | AWEXUM | No | |
| Profile | DRIPPIN | 드리핀 | 2020-10-26 | Woollim | 7 | 7 | Boy | Yes | ||
| Profile | ENHYPEN | 엔하이픈 | 2020-11-30 | Be:lift | 7 | 7 | Boy | ENGENE | Yes | |
| Profile | P1Harmony | P1H | 피원하모니 | 2020-10-28 | FNC | 6 | 6 | Boy | Yes | |
| Profile | Ghost9 | 고스트나인 | 2020-09-23 | Maroo | 7 | 9 | Boy | Yes | ||
| Profile | Maka Maka | 마카마카 | 2020-08-04 | Dreamus | 5 | 5 | Girl | Yes | ||
| Profile | Blastar | 블레스타 | 2020-07-31 | VH | 5 | 5 | Girl | No | ||
| Profile | Wei | 위아이 | 2020-10-05 | OUI | 6 | 6 | Boy | Yes | ||
| BlackSwan | 블랙스완 | 2020-10-16 | DR | 5 | 5 | Girl | Yes | |||
| BOTOPASS | 보토패스 | 2020-08-26 | WKS ENE | 8 | 8 | Girl | Yes | |||
| Profile | LUNARSOLAR | 루나솔라 | 2020-09-02 | J Planet | 4 | 4 | Girl | Haedal | No | |
| Checkmate | 체크메이트 | 2020-09-21 | Grace | 5 | 5 | Co-Ed | Yes | |||
| Profile | aespa | æspa | 에스파 | 2020-11-17 | SM | 4 | 4 | Girl | My | Yes |
| Profile | AREAL | 에이리얼 | 2020-08-21 | JZ Factory | 4 | 4 | Girl | No | ||
| BAE173 | 비에이이173 | 2020-11-19 | PocketDol | 9 | 9 | Boy | Yes | |||
| BXK | Boys X King | 비엑스케이 | 2020-11-02 | New Planet | 6 | 6 | Boy | Yes | ||
| Profile | Treasure | 트레저 | 2020-08-07 | YG | 12 | 12 | Boy | Yes | ||
| PRISMA | 프리즈마 | 2020-10-31 | UnionWave | 5 | 5 | Girl | Yes |