Lee Seung-jun

Acting

January 13, 1995 (31 years old)

Seoul, South Korea

Acting Credits

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

Weekly Idol

Self

Idol Radio

Special DJ

Star Road

Road to Kingdom

Self - Contestant

The Silence Of IDOL

Can I Step In?

Kwon Sang Hae

ONF [FOCUS ON AND OFF]

SEUNGJUN

2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]

SEUNGJUN

Filmography

2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]

2026

as SEUNGJUN

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

2025

as SEUNGJUN

온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1

2024

as SEUNGJUN

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

2024

as SEUNGJUN

온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2

2024

as SEUNGJUN

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

2024

as SEUNGJUN

ONF [FOCUS ON AND OFF]

2024

as SEUNGJUN

ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]

2021

as SEUNGJUN

Dive Into ONF

2021

as Self

Can I Step In?

2020

as Kwon Sang Hae

4.1

Road to Kingdom

2020

as Self - Contestant

9.4

The Silence Of IDOL

2020

Idol Radio

2018

as Special DJ

Star Road

2018

Weekly Idol

2011

as Self

6.8