Ong Seong-wu
- Known for
- Acting
- Born
- August 25, 1995, Incheon, South Korea
- Movies
- 6
Ong Seong-wu (born August 25, 1995) is a South Korean singer and actor. He is known for his participation in the survival reality show Produce 101 Season 2, where he finished in fifth place, and is a former member of the show's derivative boy group Wanna One. Following Wanna One's disbandment, Ong made his acting debut with the drama At Eighteen (2019) directed by Shim Na-yeon. He also established his career as a solo artist with the release of his first extended play, Layers, on March 25, 2020.
Upcoming Ong Seong-wu Movies
Cattle Run
2026
December 2, 2026
Starlight Falls
Release date TBA
Best-Known Movies
Filmography
| 2026 | Cattle Run | Kang Jeong-hoon |
| 2022 | 20th Century Girl | Joseph / Poong Joon-ho |
| 2022 | Life Is Beautiful | Park Jeong-woo |
| 2022 | Seoul Vibe | Joon-gi |
| 2018 | Wanna One World Tour One: The World in Seoul | Self |
| 2017 | Seongwoo is Alright | Ong Seongwoo |
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