| Thailand Institute of Scientific and Technological Research | |
| Native Name: | สถาบันวิจัยวิทยาศาสตร์และเทคโนโลยีแห่งประเทศไทย |
| Native Name Lang: | th |
| Type: | State enterprise |
| Foundation: | 25 May 1963 |
| Location City: | Khlong Luang, Pathum Thani |
| Location Country: | Thailand |
| Area Served: | Thailand |
| Key People: | Chutima Eamchotchawalit (governor) |
| Industry: | Scientific research institute |
| Parent: | Ministry of Higher Education, Science, Research and Innovation |
Thailand Institute of Scientific and Technological Research (TISTR) (Thai: สถาบันวิจัยวิทยาศาสตร์และเทคโนโลยีแห่งประเทศไทย) is a scientific research institute of Thailand's Ministry of Higher Education, Science, Research and Innovation. Its headquarters is in Pathum Thani Province, Thailand.