Jeon Won-woo

Jeon Won-woo, known mononymously as Wonwoo, is a South Korean rapper and singer. Born on July 17, 1996, in Changwon, South Korea, he is managed by Pledis Entertainment. He is best known as a member of the South Korean boy group Seventeen, where he performs in its hip hop team, as well as its second official sub-unit, Jeonghan X Wonwoo (JxW).

Wonwoo attended the School of Performing Arts Seoul, graduating in 2015. He joined Pledis Entertainment in 2011 during his third year of middle school and underwent four years of training in singing and dancing. Prior to his official debut, he appeared on the online reality show Seventeen TV on Ustream to showcase his training and participated in associated concerts titled Like Seventeen.

On May 29, 2015, Wonwoo officially debuted as a member of Seventeen with the release of the extended play 17 Carat. As a member of the group's hip-hop unit, he has contributed as a songwriter to over 35 tracks, primarily performed by his unit. In 2021, he released the digital single "Bittersweet" with bandmate Mingyu, featuring Lee Hi, which reached the top spot on the iTunes song chart in ten regions.

In 2022, Wonwoo released a cover of IU's song "Knees" as a tribute to his late mother. The following year, he appeared in three episodes of Dive Studio's Mindset series to discuss his mental health. In 2024, Wonwoo teamed up with bandmate Jeonghan to form the sub-unit JxW and released the single album This Man. The album contained his first commercially released solo track, "Leftover," for which he earned songwriting credits, and set the record for the highest first-week sales by a K-pop sub-unit within four days.

Wonwoo has also worked in fashion and endorsement roles. He became the model for South Korean brand Huxley in November 2022 and was named a global model for The Face Shop in April 2024. His other appointments include global ambassadorships for Indonesian snack brand Chitato alongside S.Coups and Vernon, as well as Japanese optical brand Jins Eyewear. He featured on the cover of Japanese magazine Men's Non-no in 2023 and 2024, and attended Burberry events in Seoul and at London Fashion Week.

In his personal life, Wonwoo resides in Seoul with bandmate Mingyu. He is a fan of the South Korean esports team T1 and frequently hosts gaming livestreams on Weverse. In March 2019 and again in 2022, he donated personal items to auction drives supporting the Nabiya Cat Shelter in Seoul. Following an announcement on March 5, 2025, Wonwoo enlisted as a social service worker for his mandatory military service on April 3, 2025, after completing a Seventeen fan meeting in Incheon.