Shimon Kobayashi is a professional footballer from JPN and is currently 19 years old. He is on the books of Sanfrecce Hiroshima and wears shirt number 45. At international level, he features for Japan U19. His main role on the pitch is Midfield. He measures 167cm in height and weighs 57kg. His stronger foot is Right. His estimated market valuation currently stands at 200K €.

His latest transfer saw him join Sanfrecce Hiroshima from Hiroshima Sanfrecce U18 via on 2026-02-01.

Over 3 appearances in the Japanese J1 League 2025, Shimon Kobayashi contributed 0 goals and 0 assists, completed 0 key passes from 2 total passes, and posted a passing accuracy of 0.3.