| V Thailand National Games | |
| Host City: | (Region 6),  Thailand |
| Teams: | 9 regions (from 70 provinces) |
| Athletes: | 1,901 athletes |
| Events: | 13 sports |
| Stadium: | Nakhon Sawan |
| Previous: | Nakhon Ratchasima 1970 |
The 5th Thailand National Games (Thai: กีฬาเขตแห่งประเทศไทย ครั้งที่ 5, also known as the 1971 National Games and 1971 Interprovincial Games) were held in Nakhon Sawan, Thailand from 2 to 9 December 1971, with contests in 13 sports. These games were the qualifications of Thai athletes for the 1971 Southeast Asian Peninsular Games held in Kualalumpur, Malaysia.[1]
The 5th Thailand National Games represented 9 regions from 70 provinces.
| Regions | Provinces | List |
|---|---|---|
| 1 | 9 | |
| 2 | 8 | |
| 3 | 6 | |
| 4 | 9 | |
| 5 | 8 | |
| 6 | 9 | (Host) |
| 7 | 8 | |
| 8 | 7 | |
| 9 | 7 | |
The 1971 Thailand National Games featured 10 Olympic sports contested at the 1971 Southeast Asian Peninsular Games, 1974 Asian Games and 1972 Summer Olympics. In addition, four non-Olympic sports were featured: badminton, sepak takraw, table tennis and tennis.