2002 Rio de Janeiro motorcycle Grand Prix
The 2002 Rio de Janeiro motorcycle Grand Prix was the twelfth round of the 2002 MotoGP Championship. It took place on the weekend of 20–22 September 2002 at Autódromo Internacional Nelson Piquet.250cc classification
125cc 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 |  Honda | 295 |
| 2 | Yamaha | 210 |
| 3 | Suzuki | 115 |
| 4 |  Proton KR | 68 |
| 5 |  Aprilia | 28 |
- Note: Only the top five positions are included for both sets of standings.
Alex Barros
Carlos Checa