2009 Formula Nippon season
      
The 2009 Formula Nippon season was the 23rd 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.
 
Race calendar and results
Championship standings
Drivers' Championship
- Scoring system
 
|  Position  |  1st  |  2nd  |  3rd  |  4th  |  5th  |  6th  |  7th  |  8th  |  Pole | 
|  Points  |  10  |  8  |  6  |  5  |  4  |  3  |  2  |  1  |  1 | 
| 
 | 
|  Colour  |  Result |  
|  Gold  |  Winner |  
|  Silver  |  2nd place |  
|  Bronze  |  3rd place |  
|  Green  |  Points finish |  
|  Blue  |  Non-points finish |  
| Non-classified finish (NC) |  
|  Purple  |  Retired (Ret) |  
|  Red  |  Did not qualify (DNQ) |  
| Did not pre-qualify (DNPQ) |  
|  Black  |  Disqualified (DSQ) |  
|  White  |  Did not start (DNS) |  
|  Withdrew (WD) |  
|  Race cancelled (C) |  
|  Blank | 
 Did not participate (DNP) |  
|  Excluded (EX) |  
 
Bold – Pole 
Italics – Fastest Lap  | 
Teams' Championship
- Scoring system
 
|  Position  |  1st  |  2nd  |  3rd  |  4th  |  5th  |  6th  |  7th  |  8th | 
|  Points  |  10  |  8  |  6  |  5  |  4  |  3  |  2  |  1 | 
External links
 | 
|---|
  |  | Formula 2000 |  | 
|---|
  |  | Formula Two | 
-  1978
 
-  1979
 
-  1980
 
-  1981
 
-  1982
 
-  1983
 
-  1984
 
-  1985
 
-  1986
  
  | 
|---|
  |  | Formula 3000 |  | 
|---|
  |  | Formula Nippon |  | 
|---|
  |  | Super Formula |  | 
|---|
 
  |