Ryuto Koizumi is a 32-year-old professional football player from JPN. He currently plays for Reilac Shiga FC, wearing the number 13 shirt. He plays primarily as a Defender. He stands at 168cm tall and weighs 61kg.

His most recent move was a from Gainare Tottori to Reilac Shiga FC on 2025-01-20.

Throughout the J2/J3 100 Year Vision League 2026, Ryuto Koizumi featured in 3 matches, averaging 0.3 tackles, 0.3 interceptions, and 0.3 clearances per game, while blocking 0.3 shots per game.