Jong Un-hyok is a 20-year-old professional football player from PRK. At the international level, he represents Korea DPR U20. He plays primarily as a Defender. He stands at 180cm tall and weighs 75kg.

Throughout the AFC U20 Asian Cup 2024-2025, Jong Un-hyok featured in 3 matches, averaging 1.3 tackles, 0 interceptions, and 2.3 clearances per game, while blocking 0 shots per game.