2018 Czech Republic motorcycle Grand Prix

The 2018 Czech Republic motorcycle Grand Prix was the tenth round of the 2018 MotoGP season. It was held at the Brno Circuit in Brno on 5 August 2018. Fabio Di Giannantonio took his first career victory in the Moto3 race.

MotoGP

 * Pol Espargaró suffered a broken collarbone in a crash during Sunday warm-up session and was declared unfit to start the race.

Moto3

 * Jorge Martín suffered a broken hand in a crash during practice and withdrew from the event.