Yang Dong-hyen () is a South Korean football player who plays for K League 1 club Suwon FC.
In the AFC U-17 Championship in 2002, he scored three goals. He scored in the semifinals against Uzbekistan U-17. And another goal was scored in the finals against Yemen U-17.
In the 2003 FIFA U-17 World Championship, he scored two goals in the group stage. He scored against Spain U-17, and the other against Sierra Leone U-17.
On June 3, 2009, he made his debut match at senior level game against Oman.
After completing his military service with K League 2 side Korean Police FC, Yang returned to his parent club Busan IPark in October 2013.
On 2 January 2020, Seongnam acquired Yang from J2 club Avispa Fukuoka.