This is a list with K-Pop Groups that debuted in 2018.
Some of the most famous K-Pop Boygroups that debuted in 2018 are ATEEZ and Stray Kids.
Famous K-Pop Girlgroups that debuted in 2018 are (G)I-DLE, fromis_9, GWSN, IZ*ONE, Loona and Nature.
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| Profile | Name | Alt | Korean Name | Debut | Company | Members | Or. Members | Type | Fanclub | Active |
|---|---|---|---|---|---|---|---|---|---|---|
| Profile | Loona | LOOΠΔ | 이달의 소녀 | 2018-08-20 | Blockberry | 12 | 12 | Girl | Yes | |
| Profile | fromis_9 | 프로미스나인 | 2018-01-24 | Off The Record | 9 | 9 | Girl | Yes | ||
| Target | 타겟 | 2018-01-23 | TNS | 7 | 7 | Boy | Yes | |||
| Profile | Honey Popcorn | 허니팝콘 | 2018-03-21 | Kyun Create | 3 | 3 | Girl | No | ||
| Profile | Girlkind | 걸카인드 | 2018-01-16 | Nextlevel | 5 | 5 | Girl | Yes | ||
| Profile | Stray Kids | SKZ | 스트레이 키즈 | 2018-03-25 | JYP | 8 | 9 | Boy | STAY | Yes |
| Profile | (G)I-DLE | (여자)아이들 | 2018-05-02 | Cube | 5 | 6 | Girl | Yes | ||
| Profile | GWSN | 공원소녀 | 2018-09-05 | Kiwi Pop | 7 | 7 | Girl | Groo | Yes | |
| Profile | IZ*ONE | IZONE | 아이즈원 | 2018-10-29 | Off The Record | 12 | 12 | Girl | No | |
| Profile | Nature | 네이처 | 2018-08-03 | n.CH | 9 | 9 | Girl | Yes | ||
| Noir | 느와르 | 2018-04-09 | LUK | 9 | 9 | Boy | Yes | |||
| Profile | Uni.T | 유니티 | 2018-05-18 | Unit Culture | 8 | 9 | Girl | No | ||
| UNB | 유앤비 | 2018-04-07 | Unit Culture | 9 | 9 | Boy | No | |||
| We Girls | 위걸스 | 2018-08-31 | Afternoon | 8 | 8 | Girl | Yes | |||
| Gawi Bawi Bo | GBB | 지비비 | 2018-05-01 | LOUDers | 5 | 5 | Girl | Yes | ||
| NTB | 엔티비 | 2018-05-28 | High Choice | 6 | 6 | Boy | Yes | |||
| Profile | Dreamnote | 드림노트 | 2018-11-07 | iME | 6 | 8 | Girl | Yes | ||
| Cherry On Top | 체리온탑 | 2018-08-09 | United | 4 | 4 | Girl | No | |||
| Profile | Saturday | 세러데이 | 2018-07-18 | SD | 6 | 7 | Girl | Yes | ||
| FLAVOR | 플레이버 | 2018-11-26 | FENT | 3 | 3 | Girl | No | |||
| Profile | Pink Fantasy | 핑크판타지 | 2018-10-28 | My Doll | 8 | 8 | Girl | Yes | ||
| Rose Finger | 로즈핑거 | 2018-10-03 | YC:Bros | 4 | 4 | Girl | No | |||
| Destiny | 데스티니 | 2018-09-28 | D-SIDE | 4 | 4 | Girl | Yes | |||
| Kitten Girls | 키튼걸스 | 2018-09-04 | Wannabe | 4 | 4 | Girl | No | |||
| Camila | 카밀라 | 2018-08-29 | Camila | 3 | 3 | Girl | No | |||
| Sha Sha | 샤샤 | 2018-02-27 | Major Ent | 6 | 6 | Girl | No | |||
| AiRiSu | 아이리수 | 2018-07-25 | Jang | 4 | 4 | Girl | No | |||
| KHAN | 칸 | 2018-05-23 | Maroo | 2 | 2 | Girl | No | |||
| Profile | ATEEZ | 에이티즈 | 2018-10-24 | KQ | 8 | 8 | Boy | Yes | ||
| THE MAN BLK | 더 맨 블랙 | 2018-11-15 | Stardium | 10 | 10 | Boy | Yes | |||
| D-Crunch | 디크런치 | 2018-08-06 | All-S | 9 | 9 | Boy | Yes | |||
| Spectrum | 스펙트럼 | 2018-05-09 | WYNN | 6 | 7 | Boy | No | |||
| JBJ95 | 제이비제이95 | 2018-10-30 | Hunus | 2 | 2 | Boy | Yes | |||
| Lucente | 루첸트 | 2018-09-18 | NOGA | 7 | 7 | Boy | Yes | |||
| Profile | NeonPunch | 네온펀치 | 2018-06-27 | A100 | 5 | 5 | Girl | No |