Lee Seung-jun
Acting
Born: January 13, 1995 (age 31) · Seoul, South Korea
Highest Rated
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH]](/_next/image?url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Fw185%2FpvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg&w=3840&q=75)
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.
Photos (1)
Movies (7)
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1](/_next/image?url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Fw342%2F6DhiTgCYAg09SDRLGCktfByp6xD.jpg&w=3840&q=75)
온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1
SEUNGJUN
![2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]](/_next/image?url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Fw342%2FvQmZPhEa8KrUCwrqRqMpl9pube9.jpg&w=3840&q=75)
2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]
SEUNGJUN
TMDB 5.0
![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]](/_next/image?url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Fw342%2F4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg&w=3840&q=75)
ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]
SEUNGJUN
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1](/_next/image?url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Fw342%2FzyN3yVwFR1NoZGgxd77aZ4etce7.jpg&w=3840&q=75)
온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1
SEUNGJUN
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH]](/_next/image?url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Fw342%2FpvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg&w=3840&q=75)
2025 ONF CONCERT [THE MAP:STRANGER’S PATH]
SEUNGJUN
TMDB 5.0
온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2
SEUNGJUN
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2](/_next/image?url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Fw342%2Fwhume1STRxwi0EVBYU8ZMk669nG.jpg&w=3840&q=75)
온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2
SEUNGJUN
![ONF [FOCUS ON AND OFF]](/_next/image?url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Fw342%2FAu7UBGXv8opgUV1V7lUzl4Bu2i2.jpg&w=3840&q=75)
