Choi Yeon-jun, known mononymously as Yeonjun, is a South Korean singer and songwriter under Big Hit Music. He is a member of the South Korean boy group TOMORROW X TOGETHER (TXT). He debuted as a soloist in September 2024 with the song GGUM and released his first extended play No Labels: Part 01, on November 7, 2025, and Part 02, also an EP, on July 10, 2026.

Filmography

• 2025HELLO STRANGERS — 최권투
• MAEJEOMGAYO
• Phone A Fangirl
• Resident Playbook — Topkey, Theme Song Performance
• 20242024 TXT FANLIVE PRESENT X TOGETHER
• Apartment 404 — Student Yeon-jun, Self
• 2024Hyperfocus: Tomorrow x Together VR Concert
• Solo Leveling — Theme Song Performance
• 2024TOMORROW X TOGETHER WORLD TOUR [ ACT : SWEET MIRAGE ] FINALE
• 2024TXT 2024 DREAM WEEK - 'OUR HOUSE'
• Beyblade X — Theme Song Performance
• Jae Joong and Friends
• 2023Season of TXT: YOUTH
• 2023TOMORROW X TOGETHER 'NUANCE' 2024 SEASON'S GREETINGS
• 2023TXT (ACT: SWEET MIRAGE) IN LA: LIVE VIEWING — Yeonjun
• 2023TXT MEMORIES : THIRD STORY
• worK-dol
• 20222022 TXT FANLIVE MOA X TOGETHER
• IDOL 1N2D
• Lee Mujin Service — Guest
• MANADALLA
• 2022Season of TXT: Midsummer
• 2022TOMORROW X TOGETHER 'DAY BY DAY' 2023 SEASON'S GREETINGS
• 투모로우바이투게더 컴백쇼
• 20212021 TXT FANLIVE SHINE X TOGETHER
• 2021TOMORROW X TOGETHER 2022 SEASON'S GREETINGS
• 2021TOMORROW X TOGETHER THE 3RD PHOTOBOOK H:OUR In Suncheon
• TOMORROW X TOGETHER 컴백쇼 ′FREEZE′ (프리즈)
• 2021The Doom’s Night — Eugene
• 20202020 TXT FANLIVE DREAM X TOGETHER
• 2020TOMORROW X TOGETHER 'HOUSE FAIRY' 2021 SEASON'S GREETINGS
• TOMORROW X TOGETHER Comeback Show : Blue Hour
• 2020TOMORROW X TOGETHER The 2nd Photobook H:OUR
• 2020TOMORROW X TOGETHER The First Photobook H:OUR
• TOMORROW X TOGETHER 컴백쇼
• 2020TXT Drama Making of Jacket Photos
• 2020TXT Drama Music Video Making
• 2019TOMORROW X TOGETHER 2020 SEASON'S GREETINGS
• TOMORROW X TOGETHER Debut Celebration Show presented by Mnet
• TOMORROW X TOGETHER OFFICIAL
• TOMORROW X TOGETHER 웰컴백쇼
• TXT Episode
• The Kelly Clarkson Show — Tomorrow X Together, Self - Musical Guest
• Black Clover — Theme Song Performance
• Running Man
• TOMORROW X TOGETHER WORLD TOUR ‘ACT: LOVE SICK’ IN SEOUL

Appearances as themselves (57)

• 20262026 TXT MOA CON in Japan: Live Viewing — Self
• 30 Questions — Self - Guest
• Amazing Thursday — Self
• 2026Endless Ride: TOMORROW X TOGETHER VR Concert — Self
• 2026HYBE CHEERING PARTY — Self (archive footage)
• Kill It: Style Creator Showdown — Self - Mentor
• 2026TOMORROW X TOGETHER WORLD TOUR 'ACT : TOMORROW' — Self
• 2026TOMORROW X TOGETHER WORLD TOUR 'ACT : TOMORROW' IN SEOUL — Self
• TOMORROW X TOGETHER's Should We Run Away? — Self
• TXT's Parenting Diary — Self
• 2025Heart Attack: Tomorrow x Together VR Concert — Self
• SUMBAKKOKJIL — Self
• 2025TXT (TOMORROW X TOGETHER) 'The Star Chapter': TOGETHER — Self
• 2024HYBE CINEMA NORAEBANG — Self (archive footage)
• Hot Ones Versus — Self
• Run Jin — Self
• 2024TOMORROW X TOGETHER WORLD TOUR 'ACT:PROMISE' — Self
• 2024TXT (TOMORROW X TOGETHER) minisode 3: TOMORROW Concept Trailer — Self
• 2024Yeonjun's "Make it Happen" Winter 2023 — Self
• ZIP DAESUNG — Self
• Hong Seok-cheon's Jewelry Box — Self
• K-Pop Generation — Self
• Salon Drip — Self
• 2023TOMORROW X TOGETHER WORLD TOUR ‘ACT : SWEET MIRAGE’ — Himself
• 2023TOMORROW X TOGETHER: OUR LOST SUMMER — Self
• The Seasons — Self
• Tiny Desk Korea — Self
• 2023Tomorrow X Together World Tour 'Act: Sweet Mirage' Finale — Self
• &Audition - The Howling — Self
• 20222022 TOMORROW X TOGETHER FANLIVE MOA X TOGETHER — Himself
• Absolutely Nothing Prepared — Self
• 2022BACKSTAGE: TXT x EN- — Self
• SUCHWITA — Self
• 2022TOMORROW X TOGETHER WORLD TOUR 'ACT:LOVESICK' — Himself
• 2022TXT MEMORIES : SECOND STORY — Himself
• The K-Star Next Door — Self
• 2021TOMORROW X TOGETHER LIVE 'ACT:BOY' — Himself
• TXT & EN- Playground — Self
• 2021TXT (TOMORROW X TOGETHER) STILL DREAMING — Himself
• 2021TXT MEMORIES : FIRST STORY — Himself
• The Game Caterers — Self
• 20202021 NEW YEAR’S EVE LIVE presented by Weverse — Self
• 2020Eternally — Self
• I-LAND — Self
• Show!terview with Jessi — Self
• TO DO X TXT — Self
• The Silence Of IDOL — Self
• 2019Magic Island — Self
• ONE DREAM.TXT — Self
• TALK X TODAY — Self
• Amazing Saturday — Self
• Idol Room — Self
• The Late Late Show with James Corden — Self - Musical Guest
• After School Club — Self
• NPR Tiny Desk Concerts — Self
• SBS Drama Awards — Self
• MTV Video Music Awards — Self