2001 Portuguese motorcycle Grand Prix
The 2001 Portuguese motorcycle Grand Prix was the eleventh round of the 2001 Grand Prix motorcycle racing season. It took place on the weekend of 7–9 September 2001 at the Autódromo do Estoril.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 eleven has concluded.
;Riders' Championship standings
;Constructors' Championship standings
| Constructor | Points |
| 1 |  Honda | 247 |
| 2 | Yamaha | 213 |
| 3 | Suzuki | 101 |
| 4 |  Proton KR | 52 |
| 5 |  Sabre V4 | 4 |
- Note: Only the top five positions are included for both sets of standings.
Valentino Rossi
Alex Barros