Yoon Jong-gyu (Korean: 윤종규; born 20 March 1998) is a South Korean football defender who plays for Ulsan HD FC and the South Korea national team.

He was part of the South Korea U-17 squad at the 2015 FIFA U-17 World Cup.

He was part of the South Korea U-20 squad at the 2017 FIFA U-20 World Cup.

He was part of the South Korea squad at the 2022 EAFF E-1 Football Championship.

As of 29 October 2023 South Korea U23 Yoon Jong-gyu – K League stats at kleague.com (in Korean)