Ryotaro Onishi is a professional footballer from JPN and is currently 29 years old. He is on the books of Roasso Kumamoto and wears shirt number 3. His main role on the pitch is Midfield. He measures 179cm in height and weighs 74kg. His estimated market valuation currently stands at 400K €.

His latest transfer saw him join Roasso Kumamoto from FC Gifu via Free on 2023-01-09.

Over 2 appearances in the J2/J3 100 Year Vision League 2026, Ryotaro Onishi contributed 0 goals and 0 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.