Yu Kobayashi is a professional footballer from JPN and is currently 39 years old. He is on the books of Kawasaki Frontale and wears shirt number 11. His main role on the pitch is Forward. He measures 177cm in height and weighs 70kg. His stronger foot is Right. His estimated market valuation currently stands at 50K €.

His latest transfer saw him join Kawasaki Frontale from Takushoku University via on 2010-01-31.

During the Japanese J1 League 2025 campaign, Yu Kobayashi made 20 appearances, scoring 1 goals and adding 0 assists. He averaged 0.1 goals per match from 9 shots, with 5 on target.