1975 Thailand Regional Games
| Host city | Lopburi (Region 1), Thailand |
|---|---|
| Teams | 10 Regions (from 71 provinces) |
| Athletes | 2,504 athletes |
| Events | 14 sports |
| Opening | 28 November 1975 |
| Closing | 4 December 1975 |
| Main venue | Lopburi |
The 9th Thailand National Games (Thai: กีฬาเขตแห่งประเทศไทย ครั้งที่ 9, also known as the 1975 National Games and the 1975 Interprovincial Games) were held in Lopburi, Thailand from 28 November to 4 December 1975, with contests in 14 sports and athletes from 10 regions.