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| Tournament details | |||
|---|---|---|---|
| Dates | 9–14 January | ||
| Edition | 3rd | ||
| Level | Super 300 | ||
| Total prize money | US$150,000 | ||
| Venue | Nimibutr Stadium | ||
| Location | Bangkok, Thailand | ||
| Champions | |||
| Men's singles |  Tommy Sugiarto | ||
| Women's singles |  Nitchaon Jindapol | ||
| Men's doubles | Tinn Isriyanet Kittisak Namdash | ||
| Women's doubles | Jongkolphan Kititharakul Rawinda Prajongjai | ||
| Mixed doubles |  Chan Peng Soon Goh Liu Ying | ||
| |||
The 2018 Thailand Masters, officially the Princess Sirivannavari Thailand Masters 2018, was a badminton tournament which took place at Nimibutr Stadium in Thailand from 9 to 14 January 2018 and had a total purse of $150,000.