Ko Jong-hyun is a professional footballer from KOR and is currently 21 years old. He is on the books of Suwon Samsung Bluewings and wears shirt number 5. At international level, he features for Korea Republic U19. His main role on the pitch is Defender. He measures 191cm in height and weighs 78kg. His estimated market valuation currently stands at 225K €.

His latest transfer saw him join Suwon Samsung Bluewings from Suwon Samsung Bluewings U18 via on 2023-07-20.

Across the Korean K League 2 2026, Ko Jong-hyun appeared in 1 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.