| Pos | Pembalap | Tim |
| 1 | Maverick Viñales | Monster Yamaha (YZR-M1) |
| 2 | Fabio Quartararo | Petronas Yamaha (YZR-M1)* |
| 3 | Marc Marquez | Repsol Honda (RC213V) |
| 4 | Andrea Dovizioso | Ducati Team (GP19) |
| 5 | Jack Miller | Pramac Ducati (GP19) |
| 6 | Valentino Rossi | Monster Yamaha (YZR-M1) |
| 7 | Franco Morbidelli | Petronas Yamaha (YZR-M1) |
| 8 | Danilo Petrucci | Ducati Team (GP19) |
| 9 | Joan Mir | Suzuki Ecstar (GSX-RR)* |
| 10 | Francesco Bagnaia | Pramac Ducati (GP18)* |
| 11 | Alex Rins | Suzuki Ecstar (GSX-RR) |
| 12 | Aleix Espargaro | Factory Aprilia Gresini (RS-GP) |
| 13 | Pol Espargaro | Red Bull KTM Factory (RC16) |
| 14 | Takaaki Nakagami | LCR Honda (RC213V) |
| 15 | Andrea Iannone | Factory Aprilia Gresini (RS-GP) |
| 16 | Tito Rabat | Reale Avintia Ducati (GP18) |
| 17 | Miguel Oliveira | Red Bull KTM Tech3 (RC16)* |
| 18 | Cal Crutchlow | LCR Honda (RC213V) |
| 19 | Jorge Lorenzo | Repsol Honda (RC213V) |
| 20 | Mika Kallio | Red Bull KTM Factory (RC16) |
| 21 | Hafizh Syahrin | Red Bull KTM Tech3 (RC16) |
| 22 | Karel Abraham | Reale Avintia Ducati (GP18) |
* Rookie.
Rekor MotoGP di Buriram
Putaran Terbaik:
Marc Marquez SPA Honda 1m 30.031s (2018)
Fastest race lap:
Marc Marquez SPA Honda 1m 31.471s (2018)