Ko Jong-hyun is a 20-year-old professional football player from KOR. He currently plays for Suwon Samsung Bluewings, wearing the number 5 shirt. At the international level, he represents Korea Republic U19. He plays primarily as a Defender. He stands at 191cm tall and weighs 78kg. His preferred foot is Right. His current market value is estimated at 275K €.

His most recent move was a from Suwon Samsung Bluewings U18 to Suwon Samsung Bluewings on 2023-07-19.

Throughout the Korean K League 2 2026, Ko Jong-hyun featured in 1 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.