1999 Czech Republic motorcycle Grand Prix
The 1999 Czech Republic motorcycle Grand Prix was the tenth round of the 1999 Grand Prix motorcycle racing season. It took place on 22 August 1999 at the Masaryk Circuit located in Brno, Czech Republic.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 ten has concluded.
;Riders' Championship standings
;Constructors' Championship standings
| Constructor | Points |
| 1 |  Honda | 231 |
| 2 | Yamaha | 149 |
| 3 | Suzuki | 143 |
| 4 |  Aprilia | 86 |
| 5 |  MuZ Weber | 43 |
- Note: Only the top five positions are included for both sets of standings.
Àlex Crivillé
Kenny Roberts Jr.