Who Is Ong Seong-wu? Age, Biography and Wiki
Ong Seong-wu, born on August 25, 1995, in Incheon, South Korea, is a multi-talented singer and actor renowned for his charming personality and impressive skills. Rising to fame as a member of the boy group Wanna One, formed through the reality competition show "Produce 101 Season 2," Ong captured the hearts of fans, earning popularity not just for his music but also his acting prowess. As of 2025, Ong Seong-wu is 29 years old and continues to thrive in the entertainment industry.
| Occupation | Stage Actor |
|---|---|
| Date of Birth | August 25, 1995 |
| Age | 30 Years |
| Birth Place | Incheon, South Korea |
| Horoscope | Virgo |
| Country | South Korea |
Popularity
Ong Seong-wu's Popularity over time
Height, Weight & Measurements
Ong Seong-wu stands at an impressive height of approximately 180 cm (5 feet 11 inches) and weighs around 65 kg (143 lbs). His athletic build, combined with his striking features, makes him a visual standout in the entertainment world. His body measurements reflect the dedication he has put into maintaining a healthy lifestyle.
Family, Dating & Relationship Status
Ong Seong-wu has managed to keep his personal life relatively private despite his fame. As of 2025, he is reportedly single, focusing primarily on his career and personal growth. While there have been rumors and speculation regarding his dating life, Ong has always preferred to keep his relationships under wraps, allowing fans to speculate without confirmation. He comes from a supportive family that includes his parents and an older sister, who have played pivotal roles in his life and career.
Ong was encouraged by his mother to pick up a musical instrument and started playing the drums after his sister began learning the piano. While playing the drums at a band contest in 2008, Ong was scouted as a trainee by the now-defunct entertainment company Lion Media.
However, internal troubles with the company and its eventual closure lead to the delay of his debut, and contractual issues prevented him from signing with other companies for a period of time. In August 2016, he signed as an acting trainee with his current company Fantagio at the recommendation of one of his university professors.
Net Worth and Salary
As of 2025, Ong Seong-wu’s estimated net worth is around $3 million. This figure results from various income sources, including his successful music career, acting projects, brand endorsements, and appearances in commercials. His dedication and work ethic have led him to an impressive financial status at a relatively young age.
Career, Business, and Investments
After his stint with Wanna One, Ong embarked on a solo career, releasing music that has garnered critical acclaim and commercial success. In addition to music, he has also ventured into acting, starring in several dramas that have showcased his range as an actor. Ong is known for carefully selecting his projects, which include both lead roles and supporting characters, thereby expanding his portfolio.
Furthermore, Ong Seong-wu is keen on investing and has been involved in various business projects, including fashion lines and other entertainment partnerships, which have contributed significantly to his financial growth over the years.
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 cast At Eighteen (2019). He also established his career as a solo artist with the release of his first extended play, Layers, on March 25, 2020.
Social Network
Ong Seong-wu actively engages with his fans through various social media platforms. He has a significant following on Instagram, where he shares glimpses of his life, work, and thoughts. His interactions with fans showcase his warm and approachable personality, and he uses his platform to promote his projects and advocate for various causes.
Ong made his acting debut in the later half of the year, starring as the male lead in JTBC's youth drama At Eighteen, alongside Kim Hyang-gi and Shin Seung-ho. The drama tackles some of the issues faced by youths in South Korea, such as first love, the pressures of school and parental expectation, to topics such as school violence and bullying.
Ong played the role of transfer student Choi Jun-woo, who is falsely accused of school violence. He garnered many positive reviews for his emotive acting, and went on to nab several awards for the role, including Best Rookie Award and Hallyu Star Award at the Korea Drama Awards. and made Ong nominated at the 56th Baeksang Arts Awards.
In the Best New Actor – Television category. Ong also recorded the song "Our Story" as part of the official soundtrack for the drama, which was released on August 8, 2019. In January 2020, Ong kicked off his second solo fan-meeting tour, titled "We Belong". The digital single "We Belong" was released on January 9.
Intended as a fan-song, Ong participated in both the lyric writing and composition of the single, and performed it on the first time during the Seoul leg of his tour on January 11.
Education
Ong Seong-wu attended Hanlim Multi Art School, where he honed his artistic talents. He later pursued further studies in the arts, which enriched his understanding of performance and helped shape his career in the competitive world of entertainment.
In conclusion, Ong Seong-wu continues to shine in the spotlight as a captivating singer and actor in 2025. With his dedication, charm, and talent, he is sure to leave a lasting impact on the entertainment industry and his fans around the world.
He is the youngest of two children, with one older sister. He attended Guwol Middle School, followed by Hanlim Multi Art School, graduating in 2014. He graduated from Dong Seoul University as dance and acting major. Ong also danced professionally as part of several street and B-boy dance teams during this period.
