Koji Sugiyama is a 28-year-old professional football player from JPN. He currently plays for Ehime FC, wearing the number 50 shirt. He plays primarily as a Defender. He stands at 180cm tall and weighs 74kg. His preferred foot is Right.

His most recent move was a Free from Giravanz Kitakyushu to Ehime FC on 2026-01-12.

Throughout the Japanese J3 League 2025, Koji Sugiyama featured in 36 matches, averaging 0.6 tackles, 0.9 interceptions, and 5.7 clearances per game, while blocking 0.1 shots per game.