| Official Name: | Si Phanom Mat |
| Native Name: | ศรีพนมมาศ |
| Settlement Type: | Tambon |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type2: | Province |
| Subdivision Name2: | Uttaradit |
| Subdivision Type3: | District |
| Subdivision Name3: | Laplae District |
| Population As Of: | 2005 |
| Population Total: | 3276 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 17.6528°N 100.0397°W |
Si Phanom Mat (Thai: ศรีพนมมาศ, in Thai pronounced as /sǐː pʰā.nōm mâːt/), also spelled Sriphanommas and Sripanommas, is a village and tambon (sub-district) of Laplae District, in Uttaradit Province, Thailand.[1] In 2005 it had a population of 3,276 people.