Ryohei Watanabe is a 24-year-old professional football player from JPN. He currently plays for Sagan Tosu, wearing the number 25 shirt. He plays primarily as a Midfield. He stands at 170cm tall and weighs 68kg. His preferred foot is Right. His current market value is estimated at 75K €.

His most recent move was a Loan from Reilac Shiga FC to Sagan Tosu on 2026-06-29.

Across 4 appearances in the Japanese J2 League 2025, Ryohei Watanabe registered 0 goals and 0 assists, while completing 0 key passes out of 23 total passes with a passing accuracy of 4.8.