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Lee Seung-jun

Lee Seung-jun

Actor Jan 13 (age 31) Seoul, South Korea 2011–2026 (15 year career)
6.1 avg rating

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

Road to Kingdom
Film

Road to Kingdom

Self - Contestant
Can I Step In?
Film

Can I Step In?

Kwon Sang Hae
Weekly Idol
Film

Weekly Idol

Self
2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]
Film

2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]

SEUNGJUN
2025 ONF CONCERT [THE MAP:STRANGER’S PATH]
Film

2025 ONF CONCERT [THE MAP:STRANGER’S PATH]

SEUNGJUN
온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2
Film

온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2

SEUNGJUN
온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1
Film

온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1

SEUNGJUN
ONF [FOCUS ON AND OFF]
Film

ONF [FOCUS ON AND OFF]

SEUNGJUN

Filmography