Lee Seung-jun
- Acting
- January 13, 1995 · Seoul, South Korea
Biography
Lee Seung-jun, known mononymously as Seungjun and formerly known as J-Us, is a South Korean singer and lyricist under KI Entertainment. He is a member of the boy group ONF and its OFF team sub-unit.
Known for
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH] poster](/img/w342/pvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg)
![2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON] poster](/img/w342/vQmZPhEa8KrUCwrqRqMpl9pube9.jpg)
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1 poster](/img/w342/zyN3yVwFR1NoZGgxd77aZ4etce7.jpg)
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1 poster](/img/w342/6DhiTgCYAg09SDRLGCktfByp6xD.jpg)
![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE] poster](/img/w342/4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg)
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2 poster](/img/w342/whume1STRxwi0EVBYU8ZMk669nG.jpg)
![ONF [FOCUS ON AND OFF] poster](/img/w342/Au7UBGXv8opgUV1V7lUzl4Bu2i2.jpg)
Filmography
- 2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON] · SEUNGJUN
- 2025 ONF CONCERT [THE MAP:STRANGER’S PATH] · SEUNGJUN
- 온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2 · SEUNGJUN
- 온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1 · SEUNGJUN
- 온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2 · SEUNGJUN
- 온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1 · SEUNGJUN
- ONF [FOCUS ON AND OFF] · SEUNGJUN
- ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE] · SEUNGJUN
- Dive Into ONF · Self
- Can I Step In? · Kwon Sang Hae
- The Silence Of IDOL
- Road to Kingdom · Self
- Idol Radio · Special DJ
- Star Road · Self
- Weekly Idol · Self