Kosei Matsumoto is a professional footballer from JPN and is currently 23 years old. He is on the books of Thespa Kusatsu Gunma and wears shirt number 29. His main role on the pitch is Forward. He measures 173cm in height and weighs 65kg. His stronger foot is Right.

His latest transfer saw him join Thespa Kusatsu Gunma from Senshu University via on 2026-01-31.

During the J2/J3 100 Year Vision League 2026 campaign, Kosei Matsumoto made 4 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.