Jeong Yun-o (; born Jeong Jae-hyun (), February 14, 1997), known professionally as Jaehyun, is a South Korean singer. He is a member of the South Korean boy band NCT and its sub-units NCT 127 and NCT DoJaeJung. He made his solo debut on August 26, 2024, with the studio album J.
First introduced in December 2013 as a trainee under the pre-debut team SM Rookies, he debuted in April 2016 as a member of the rotational unit NCT U and as a member of Seoul-based fixed unit NCT 127 in July 2016. He later joined the fixed unit NCT DoJaeJung in April 2023.
As of 2024, Jaehyun has released five solo singles: "Forever Only" and "Horizon", both as part of the NCT Lab project, while "Roses", "Dandelion", and "Smoke" as part of his debut album J. Apart from music, he has also hosted the radio show NCT Night Night from March 2017 to January 2019 and the television program Inkigayo from October 2019 to February 2021. He later debuted as an actor with a leading role in the college romance television series Dear. M (2022), and he made his feature film debut in the mystery thriller film You Will Die In 6 Hours (2024). As of 2024, Jaehyun is a global ambassador for the Italian luxury brand Prada; he is considered among the most impactful fashion ambassadors from South Korea.
Jaehyun trained in Taekwondo and received a Black belt. He later became interested in music at a young age due to his parents' influence; he learned to play the guitar and the piano, and eventually began singing during his middle school. His grandmother, a retired professional dancer, was also his guide during dance training. He was also inspired to pursue music by his elementary school teacher, Lee Eun-yeol. Jaehyun attended Shindong Middle School and Apgujeong High School and later transferred to the School of Performing Arts Seoul in his second year of high school and graduated in 2016. He used to be a student council president.
On November 2, 2021, Jaehyun was confirmed to star in a KakaoTV web series, a remake of the 2001 South Korean film Bungee Jumping of Their Own, playing the leading role of Im Hyun-bin. On December 9 of the same year, during pre-production, KakaoTV announced the cancellation of the project due to concerns regarding the LGBT plot from the original film's screenwriter.
On August 18, 2022, Jaehyun released his first single "Forever Only" as part of NCT Lab. "Forever Only" was described as an R&B song and featured lyrics written by Jaehyun. It received positive reviews from critics and debuted at number 14 on the United States' Billboard charts World Digital Songs and at 120 on South Korea's Circle Chart. On March 9, 2023, Jaehyun was confirmed to debut alongside fellow NCT members Doyoung and Jungwoo in the new fixed sub-unit NCT DoJaeJung. They released their first extended play (EP) Perfume on April 17, 2023.
On July 3, 2023, it was announced that Jaehyun will make his feature film debut in the mystery thriller You will Die in 6 Hours, based on the Japanese novel of the same name. He will portray the lead character Junwoo, starring alongside Park Ju-hyun and Kwak Si-yang. On August 8, he released his second solo single "Horizon" under the now-reconstructed NCT Lab. The song is described as a romantic R&B/Soul track that Jaehyun wrote and composed. It debuted at number 38 on the Circle Digital Chart, as well as at the first and third spots of the BGM Chart and Download Chart, respectively. "Horizon" marks Jaehyun's highest-charting solo single in South Korea.
Before the album's release, Jaehyun pre-released two songs off the album as a digital single, "Roses" and "Dandelion" on August 12. On the day of the album's release, Jaehyun hosted a listening party titled Jaehyun Vol. 1. The album debuted at number three on the Circle Album Chart, number 11 on the US Heatseekers Albums ( Billboard), number 18 on the US Top Albums Sales ( Billboard) and number seven on Japanese Albums (Oricon). "Smoke" also debuted at number one on Circle Digital Chart, two weeks in a row upon release. On September 7, "Smoke" achieved a first place win on South Korean music program Show! Music Core, making Jaehyun the first soloist from NCT to win a public broadcast music show.
On October 16, Jaehyun made his feature film debut in the mystery thriller You will Die in 6 Hours. The film took the number one spot for CGV ticket reservations. Special preview screenings and stage greetings were also completely sold out. The film ranked #1 in sales for independent and art films and broke a record for independent films sold internationally, being sold to 76 countries worldwide. An industry official stated, "This film has already set global records before its release. Jeong Jaehyun's debut has shown incredible ticket power, making it a dark horse at the box office."
Ahead of his mandatory military service, Jaehyun released a single titled "Unconditional" on October 24, 2024, and held a sold out fan concert titled "2024 Jaehyun Fan-Con
Multiple publications named Jaehyun as one of the most influential fashion brand ambassadors from South Korea, noting Prada's increase in purchases, popularity, and online topicality following Jaehyun's appointment as a global ambassador in June 2022.
On July 14, 2024, the Indonesian snack brand TicTac confirmed Jaehyun as the new brand ambassador. He starred in a commercial film endorsing their new range of snacks. On August 16, it was announced that Jaehyun was the new ambassador for Korean cosmetic brand Clio Cosmetics. Several product campaigns were launched with Jaehyun as the new model. On September 5, Thai haircare brand GoHair announced Jaehyun as their new brand ambassador.
Personal life
Military service
Other ventures
Endorsements
Discography
Studio albums
+ List of studio albums, showing selected details, selected chart positions, sales figures, and certifications
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Singles
As lead artist
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As featured artist
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Official soundtrack
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Other charted songs
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Songwriting credits
2016 "Fire Truck" NCT 127 NCT#127 2020 "Dancing in the Rain" NCT U NCT 2020 Resonance Pt. 1 2021 "Lost" Jaehyun 2022 "Forever Only" NCT Lab 2023 "Horizon" 2024 "Smoke" J "Roses" "Flamin' Hot Lemon" "Dandelion" "Easy" "Can't Get You" "Unconditional"
Filmography
Film
Television series
Television shows
Hosting
Radio show
Awards and nominations
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! scope="col" class="unsortable" Global Artist – Oceania Global Artist – Africa Global Artist – Europe Global Artist – North America Global Artist – South America
Notes
External links
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