2023 Catalan motorcycle Grand Prix

The 2023 Catalan motorcycle Grand Prix (officially known as the Gran Premi Monster Energy de Catalunya) was the eleventh round of the 2023 Grand Prix motorcycle racing season and the seventh round of the 2023 MotoE World Championship. All races (except for both MotoE races which were held on 2 September) were held at the Circuit de Barcelona-Catalunya in Montmeló on 3 September 2023.

Practice
The top ten riders (written in bold) qualified for Q2.

MotoGP Sprint
The MotoGP Sprint was held on 2 September.

MotoGP
Maverick Viñales set the best time 1:40.082 and was the fastest rider at this session ahead of Aleix Espargaró and Franco Morbidelli.

MotoGP
The race, scheduled to be run for 24 laps, was red-flagged after multiple crashes at turns 1 and 2 during the first lap. The race was later restarted over 23 laps with the original starting grid.

Moto3

 * Collin Veijer was declared unfit after an x-ray showed a left foot fracture and subsequently withdrew from the race.
 * Iván Ortolá and Joel Kelso originally finished 10th and 18th in the race, respectively, but were disqualified from the results of the whole weekend after having found to have used an oil outside of the Moto3 technical specifications. Ortolá's pole position statistic was also nullified due to the disqualification; Deniz Öncü inherited the pole position statistic.

Race 1

 * All bikes manufactured by Ducati.

Race 2

 * All bikes manufactured by Ducati.

Championship standings after the race
Below are the standings for the top five riders, constructors, and teams after the round.

MotoGP

 * Riders' Championship standings


 * Constructors' Championship standings


 * Teams' Championship standings

Moto2

 * Riders' Championship standings


 * Constructors' Championship standings


 * Teams' Championship standings

Moto3

 * Riders' Championship standings


 * Constructors' Championship standings


 * Teams' Championship standings

MotoE

 * Riders' Championship standings


 * Teams' Championship standings