1998 Catalan motorcycle Grand Prix

The 1998 Catalan motorcycle Grand Prix was the twelfth round of the 1998 Grand Prix motorcycle racing season. It took place on 20 September 1998 at the Circuit de Catalunya. It was the last time that the Catalan Motorcycle Grand Prix was held in September 2020.

Championship standings after the race (500cc)
Below are the standings for the top five riders and constructors after round twelve has concluded.


 * Riders' Championship standings


 * Constructors' Championship standings


 * Note: Only the top five positions are included for both sets of standings.