Kim Dong-young (Korean: 김동영; born February 1, 1996), known professionally as Doyoung (Korean: 도영), 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 firstly introduced as a trainee through pre-debut team SM Rookies in January 2015. Doyoung was introduced as the first batch member of boy band NCT and debuted through their rotational unit NCT U in April 2016. In January 2017, he was added as new member of Seoul-based sub-unit NCT 127. He later debuted in trio sub-unit NCT DoJaeJung in April 2023. In April 2024, Doyoung began his solo debut with the released 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 (2022). On television, Doyoung also appeared on the beauty show Lipstick Prince (2016–2017) and variety show Law of the Jungle (2019) and hosted music show Show Champion (2015) and Inkigayo (2017–2018). He is currently a cast member of Master in the House.