- J&Joy20
- Jane Lee (이재인)
- Jang Hye Jin (장혜진)
- Jang Na Ra (장나라)
- Jang Won Ki (장원기)
- Jang Young Guk (장영국)
- Jay B
- Jay Park (박재범)
- Jeon Gun Hwa (전근화)
- JIN (진) / Lovelyz
- Jin Won (진원)
- Jo Hyun Hee (조현희)
- Jo Kwan Woo (조관우)
- Jokwon (조권) / 2AM
- Joo Ah Reum (주아름)
- Joo Won (주원)
- JooYoung (주영)
- Joy o'clock (조이어클락)
- JR / NU'EST
- Ju Bora (주보라)
- Jun (준)
- JUN.K / 2PM
- Jung Dong Ha (정동하)
- Jung Eun Ji (정은지)
- Jung Joon Young (정준영)
- Jung Kook (전정국) / BTS
- Junggigo (정기고)
- Junho (준호) / 2PM
- JYP Nation
- K-Much (가물치)
- Kang Daniel (강다니엘)
- Kang San Ae (강산에)
- Kanto (칸토)
- Kara (카라)
- Kei (김지연) / Lovelyz
- Kim Boa (김보아)
- Kim Dong Ryul (김동률)
- Kim Dong Wan (김동완)
- Kim Greem (김그림)
- Kim Jang Hoon (김장훈)
- Kim Ji Soo (김지수)
- Kim Kyu Jong (김규종)
- Kim Na Young (김나영)
- Kim Sung Kyu (김성규)
- Kim Tae Woo (김태우)
- Kim Yeon Woo (김연우)
- Kim Yoo Jung (김유정)
- Kwon Jin Ah (권진아)
- Kye Bum Joo (계범주)
- Kyuhyun
- LE / 2LSON
- LE / EXID
- Lee Haena (이해나)
- Lee Hong Ki (이홍기)
- Lee Juck (이적)
- Lee Jun Ki (이준기)
- Lee Ki Chan (이기찬)
- Lee Sejoon (이세준)
- Lee Seung Chul (이승철)
- Lee Seung Hwan (이승환)
- Lee Su Jeong (이수정) / Lovelyz
- Lee Suhyun (이수현)
- Lee Yu Rim (이유림)
- Lena Park (박정현)
- LEL (를)
- Letter Flow (레터 플로우)
- Lil Boi / Geeks
- Lim Chang Jung (임창정)
- Lim Kim (김예림)
- Lisa (리사)
- Lish (리시)
- Lizzy (리지) / Park Soo-ah (박수영)
- Loco (로꼬)
- Lovelyz (러블리즈)
- Lucia (심규선)
- Luluz (루루즈)
- Lydia (리디아)
- Lydia Paek
- San E
- Sena (세나)
- Seo In Guk (서인국)
- Seo Ji Ahn (서지안)
- Seo Young Eun (서영은)
- Seri (세리)
- Seulong (슬옹) / 2AM
- Seungyeon (한승연) / Kara (카라)
- Shannon (샤넌)
- Shin Hye Sung (신혜성)
- Si Hyun (시현)
- Siyeon (시연)
- Sohyang (소향)
- Sojin (소진) / Girl's Day
- Sol Bi (솔비)
- Son Ho Young (손호영)
- Sonnet Son (손승연)
- Soomin (오수민)
- Sosimboys (소심한 오빠들)
- Soul Dive (소울 다이브)
- SOYOU (소유)
- Soyoungyi (소영이)
- Standing Egg (스탠딩 에그)
- Starship Planet
- Sung Si Kyung (성시경)
- Sunny (써니)
- Sunny Hill (써니힐)
- Sunwoo Jung-A (선우정아)
- Suzy (수지) / Miss A
- Sweden Laundry (스웨덴세탁소)
- Sweet Sorrow (스윗 소로우)