Kohei Yamakoshi is a 33-year-old professional football player from JPN. He currently plays for Tokushima Vortis, wearing the number 15 shirt. He plays primarily as a Defender. He stands at 183cm tall and weighs 78kg. His preferred foot is Right. His current market value is estimated at 200K .

His most recent move was a Free from Tokyo Verdy to Tokushima Vortis on 2025-02-01.

Throughout the J2/J3 100 Year Vision League 2026, Kohei Yamakoshi featured in 4 matches, averaging 1.3 tackles, 0.8 interceptions, and 3.3 clearances per game, while blocking 0 shots per game.