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Who is Jaehyun’s Spouse?

Author

Ava Arnold

Updated on January 04, 2026

Jeong Yun-o born Jeong Jae-Hyun on February 14, 1997, professionally known as Jaehyun, is a South Korean singer, rapper, television host, and actor. He is a member of the South Korean boy group NCT and its sub-units NCT U and NCT 127, debuting 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.

Jaehyun hosted the television program Inkigayo from October 2019 to February 2021. As an actor, he made his debut with a leading role in the college-romance television series Dear. M (2022). Jaehyun was born in Seocho District, Seoul, South Korea. Although he was born Jeong Jae-Hyun, he later legally changed his name to Jeong Yun-o.

Between the ages of 5 and 10, Jaehyun lived and studied in Connecticut in the United States and went by the English name Jay Jeong. As a result, he is fluent in both English and Korean. Jaehyun became interested in music at a young age due to his parent’s influence learned how to play the guitar and the piano, and later began singing during middle school.

His grandmother, a retired professional dancer, was also his guide during dance training. He attended Shindong Middle School and Apgujeong High School. He transferred to the School of Performing Arts Seoul in his second year of high school and graduated in 2016, and used to be a student council president.

Jaehyun was cast by SM Entertainment in 2012, discovered by street scouts in front of his school. He auditioned with a performance of “Mama” by Exo. On December 9, 2013, he was introduced as a member of the pre-debut trainee team SM Rookies. In 2014, he participated with fellow NCT members on the show Exo 90:2014, where they performed songs from the 1990s. From January 21 to July 1, 2015, he and his groupmate Doyoung were MCs on Show Champion. In July 2015, he and his groupmate Ten both competed in Hope Basketball All-Star. In December 2015, Jaehyun performed “A Whole New World” on Disney Channel Korea’s The Mickey Mouse Club.

In April 2016, Jaehyun officially debuted as a member of the first NCT sub-unit, NCT U, with the singles “The 7th Sense” and “Without You”. On July 10, he made his debut as a member of NCT 127 with their first EP, NCT#127. In March 2017, Jaehyun joined the radio show NCT Night Night as a DJ alongside fellow member Johnny. In November 2017, Jaehyun and Dear released the song “Try Again” for the project SM Station. In December, he was featured in the music video for Wendy and Baek A-yeon’s “The Little Match Girl”. In January 2018, Jaehyun released the single “Timeless” alongside a new NCT U lineup as part of the SM Station project.

On August 18, 2022, Jaehyun released his first single “Forever Only” as part of NCT Lab. “Forever Only” is described as an R&B song featuring lyrics written by Jaehyun. It received positive reviews from critics and debuted at number 14 in the United States Billboard World Digital Songs and at 120 on South Korea’s Circle Digital Chart. On March 9, 2023, Jaehyun was confirmed to debut alongside his fellow NCT members Doyoung and Jungwoo in a new fixed sub-unit. They are set to release an album in the first half of 2023.

Following various successful collaborations with Prada, the brand selected Jaehyun as an ambassador in 2022, citing his influence and unique fashion style as a reason. In 2023, he modeled for Prada’s SS23 campaign, making him the first Korean celebrity to be chosen as a model for the brand’s main global campaign.

What is Jaehyun’s relationship status?

Jaehyun is not married and is not confirmed to be dating anyone hence we can confidently say he’s single.