HomeStatisticsDancerOng Seong-wu Height, Weight, Age, Family, Girlfriend

Ong Seong-wu Height, Weight, Age, Family, Girlfriend

Ong Seong-wu Quick Info
Height 5 ft 10 in
Weight 63 kg
Date of Birth August 25, 1995
Zodiac Sign Virgo
Eye Color Dark Brown

Ong Seong-wu is a South Korean singer, musician, actor, dancer, and television personality who is a former member of the boy band Wanna One. The band was formed by CJ E&M through the 2nd season of the reality television talent competition show Produce 101 and its discography includes extended plays and tracks such as Energetic, LightI Promise You (I.P.U.)BeautifulBurn It UpBeautiful Part.3, Spring Breeze, Boomerang, 1×1=1 (To Be One), 0+1=1 (I Promise You), and 1÷x=1 (Undivided). Additionally, Ong Seong-wu has also been a part of a variety of shows and movies including At Eighteen, 20th Century GirlStrong Woman Gang Nam-soonProduce 101, Seong-wu Is AlrightLife Is Beautiful, Seoul VibeShow! Music Core, More Than FriendsWould You Like a Cup of Coffee?Living Together in Empty RoomTraveler, Master Key, and Law of the Jungle Sabah.

Born Name

Ong Seong-wu

Nick Name


Ong Seong-wu as seen in October 2021
Ong Seong-wu as seen in October 2021 (Marie Claire Korea / YouTube / CC BY 3.0)

Sun Sign


Born Place

Incheon, South Korea


South Korean



Ong Seong-wu studied at Guwol Middle School. After that, he enrolled at Hanlim Multi Art School in Seoul and graduated in 2014.

He also graduated as a dance and acting major from Dong Seoul University.


Singer, Musician, Actor, Dancer, Television Personality


  • Siblings – He has an older sister.


Ong Seong-wu has been signed with Fantagio.


K-pop, Synth, Soft Rock, R&B


Vocals, Drums


Fantagio, YMC Entertainment, Swing Entertainment

Blood Type




Ong Seong-wu posing for a picture in December 2022
Ong Seong-wu posing for a picture in December 2022 (Ong Seong-wu / Instagram)


5 ft 10 in or 178 cm


63 kg or 139 lbs

Race / Ethnicity


Ong Seong-wu is of Korean descent.

Hair Color


Eye Color

Dark Brown

Sexual Orientation


Distinctive Features

Flexible thumb

Brand Endorsements

He has done endorsement work for brands such as Beanpole Sports.

Ong Seong-wu as seen while taking a mirror selfie in October 2020
Ong Seong-wu as seen while taking a mirror selfie in October 2020 (Ong Seong-wu / Instagram)

Ong Seong-wu Facts

  1. In 2017, he appeared as a contestant on Produce 101. He finished in 5th place and subsequently became a member of the show’s derivative boy group Wanna One.
  2. His fellow Wanna One groupmates included Yoon Ji-sung, Ha Sung-woon, Hwang Min-hyun, Kim Jae-hwan, Kang Daniel, Park Ji-hoon, Park Woo-jin, Bae Jin-young, Lee Dae-hwi, and Lai Kuan-lin.
  3. Wanna One released its debut and only studio album 1¹¹=1 (Power of Destiny) on November 19, 2018, via Swing Entertainment and Stone Music Entertainment. The album peaked at #1 on the South Korean Albums (Gaon) chart, at #3 on the Japanese Albums (Oricon) chart, and at #12 on the US World Albums (Billboard) chart.
  4. In 2019, Ong Seong-wu started playing the role of Choi Jun-woo in the coming-of-age television series At Eighteen and this won him many accolades including the Asia Artist Award and Korea Drama Award.
  5. As a solo artist, he released his debut extended play titled Layers on March 25, 2020, and its tracklist included Guess WhoGravityAfter DarkWe BelongCafé, and Bye Bye.
  6. He received the Popular Star Award at the Asia Model Awards in 2020.
  7. Ong Seong-wu co-starred as Jeong-woo in the 2022 musical road film Life Is Beautiful. This performance won him the New Wave Award at the 2022 Grand Bell Awards and he was also nominated for a Blue Dragon Film Award in the “Best New Actor” category.
  8. He brought to life the character of Joon-ki (a member of the investigative team who is also a handyman) in the 2022 action film Seoul Vibe. His co-stars for the project were Yoo Ah-in, Go Kyung-pyo, Lee Kyu-hyung, Park Ju-hyun, Kim Sung-kyun, Moon So-ri, and Jung Woong-in.
  9. It was announced by Fantagio that Ong Seong-wu would enlist for his mandatory military service as an active-duty soldier on April 17, 2023.
  10. He claimed to be the best driver of all the Wanna One members.
  11. He has credited EXO’s Kai as his role model.
  12. He can unfold his folded ears without touching them.
  13. Ong Seong-wu has done many part-time jobs like working at a cafe and as a model.
  14. He is a great dancer and specializes in popping and freestyle.
  15. On April 17, 2023, Ong Seong-wu enlisted in the military.

Featured Image by Marie Claire Korea / YouTube / CC BY 3.0

Did we miss anyone?


Please enter your comment!
Please enter your name here


Subscribe to our Newsletter

Recent Articles