2009 Indianapolis motorcycle Grand Prix
The 2009 Indianapolis Grand Prix was the twelfth round of the 2009 Grand Prix motorcycle racing season. It took place on the weekend of August 28-30, 2009 at the Indianapolis Motor Speedway. The MotoGP race was won by Jorge Lorenzo.
250 cc classification
125 cc classification
Championship standings after the race (MotoGP)
Below are the standings for the top five riders and constructors after round twelve has concluded.
;Riders' Championship standings
;Constructors' Championship standings
| Constructor | Points |
| 1 |  Yamaha | 280 |
| 2 | Honda | 204 |
| 3 |  Ducati | 182 |
| 4 | Suzuki | 109 |
| 5 | Kawasaki | 79 |
- Note: Only the top five positions are included for both sets of standings.
Jorge Lorenzo
Casey Stoner
Colin Edwards