Kosei Matsumoto is a 23-year-old professional football player from JPN. He currently plays for Thespa Kusatsu Gunma, wearing the number 29 shirt. He plays primarily as a Forward. He stands at 173cm tall and weighs 65kg.

His most recent move was a from Senshu University to Thespa Kusatsu Gunma on 2026-02-01.

In the J2/J3 100 Year Vision League 2026 season, Kosei Matsumoto scored 0 goals and provided 0 assists across 4 appearances, averaging 0 goals per game with 0 shots attempted and 0 on target.