2000 Japanese motorcycle Grand Prix
The 2000 Japanese motorcycle Grand Prix was the third round of the 2000 Grand Prix motorcycle racing season. It took place on 9 April 2000 at the Suzuka Circuit.250 cc classification
125 cc classification
Championship standings after the race (500cc)
Below are the standings for the top five riders and constructors after round three has concluded.
;Riders' Championship standings
;Constructors' Championship standings
| Constructor | Points |
| 1 |  Yamaha | 70 |
| 2 | Suzuki | 55 |
| 3 | Honda | 42 |
| 4 |  Aprilia | 14 |
| 5 | TSR-Honda | 14 |
- Note: Only the top five positions are included for both sets of standings.
Kenny Roberts Jr.
Carlos Checa
Garry McCoy