ONF debuted on August 3, 2017. On August 23, 2019 it was announced that Laun withdrew from ONF and that his contract with WM Entertainment was terminated due personal reasons.

• Hyojin (Kim Hyojin): April 22, 1994
• E-TION (Lee Changyoon): December 24, 1994
• J-US (Lee Seungjoon): January 13, 1995
• Wyatt (Shim Jaeyoung): January 23, 1995
• MK (Park Minkyun): November 16, 1995
• U (Mizuguchi Yuto): March 16, 1999

Former member:

• Laun (Kim Minseok): August 12, 1999

Discography      |     Filmography

Social Media:

1. Korean website
2. Japanese website
3. Official fancafe
4. Twitter:
   • Official Staff Account
   • Official Japanese Account
   • ONF
5. Facebook
6. Instagram
   • WM Entertainment
   • ONF
   • Hyojin
   • E-TION
   • J-US
   • Wyatt
   • MK
   • U
7. Youtube
   • WM Entertainment
   • ONF
8. Weibo
9. VLIVE
10. TikTok
11. Soundcloud:
    • MK

Last updated: September 17, 2021