Seo Young-Jae is a 32-year-old professional football player from KOR. He currently plays for Daejeon Hana Citizen, wearing the number 23 shirt. At the international level, he represents South Korea U21. He plays primarily as a Defender. He stands at 182cm tall and weighs 75kg. His preferred foot is Left. His current market value is estimated at 200K €.

His most recent move was a Loan from Dangjin Citizen to Daejeon Citizen on 2025-11-26.