Ryohei Watanabe is a professional footballer from JPN and is currently 24 years old. He is on the books of Sagan Tosu and wears shirt number 25. His main role on the pitch is Midfield. He measures 170cm in height and weighs 68kg. His stronger foot is Right. His estimated market valuation currently stands at 75K .

His latest transfer saw him join Sagan Tosu from Reilac Shiga FC via Loan on 2026-06-29.

Over 4 appearances in the Japanese J2 League 2025, Ryohei Watanabe contributed 0 goals and 0 assists, completed 0 key passes from 23 total passes, and posted a passing accuracy of 4.8.