Kaito Koizumi is a 21-year-old professional football player from JPN. At the international level, he represents Japan U23. He plays primarily as a Defender. He stands at 190cm tall and weighs 80kg.

Throughout the AFC U23 Asian Cup 2025-2026, Kaito Koizumi featured in 6 matches, averaging 0.5 tackles, 0.5 interceptions, and 1.7 clearances per game, while blocking 0.2 shots per game.