Kim Dong-young, known professionally as Doyoung, is a South Korean singer, actor, and host. He is a member of the South Korean boy band NCT through the sub-units NCT 127 and NCT DoJaeJung.
Doyoung was first introduced as a trainee through pre-debut team SM Rookies in January 2015. Doyoung was introduced as the first batch member of the boy band NCT and debuted through their rotational unit NCT U in April 2016. In January 2017, he was added as a new member of the Seoul-based sub-unit NCT 127. He later debuted in the trio sub-unit NCT DoJaeJung in April 2023. In April 2024, Doyoung began his solo debut with the release of his first studio album Youth.
Doyoung has ventured into acting. Following his supporting role in the third season of the drama series Midnight Cafe - The Curious Stalker and the musical Marie Antoinette in 2021, he starred in the web series Dear X Who Doesn't Love Me. On television, Doyoung also appeared on the beauty show Lipstick Prince and the variety show Law of the Jungle and hosted music show Show Champion and Inkigayo. He was previously a cast member of Master in the House from July 3rd, 2022 until the show's final air date of April 23rd, 2023.