Taiyo Yamaguchi is a 19-year-old professional football player from JPN. At the international level, he represents Japan U18. He plays primarily as a Forward. He stands at 183cm tall and weighs 77kg. His preferred foot is Left. His current market value is estimated at 125K .

His most recent move was a Transfer from FC Tokyo to Tochigi SC on 2026-06-30.

In the Japanese J1 League 2025 season, Taiyo Yamaguchi scored 0 goals and provided 0 assists across 3 appearances, averaging 0 goals per game with 0 shots attempted and 0 on target.