Ryuto Koizumi is a professional footballer from JPN and is currently 32 years old. He is on the books of Reilac Shiga FC and wears shirt number 13. His main role on the pitch is Defender. He measures 168cm in height and weighs 61kg. His stronger foot is Left.

His latest transfer saw him join Reilac Shiga FC from Gainare Tottori via on 2025-01-20.

Across the J2/J3 100 Year Vision League 2026, Ryuto Koizumi appeared in 3 matches and averaged 0.3 tackles, 0.3 interceptions, 0.3 clearances, and 0.3 blocked shots per game.