The 2009 Formula Nippon Championship was the thirty-seventh season of the premier Japanese open-wheel motor racing series. The series for Formula Nippon racing cars was contested over eight rounds. Nakajima Racing's Loïc Duval claimed four victories en route to the championship, ending a six-year streak of championships by the Impul team.
Teams and drivers
All drivers competed in Swift 017.n chassis and Honda HR09E or Toyota RV8K engines.