| Official Name: | Fai Luang |
| Native Name: | ฝายหลวง |
| 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: | 9493 |
| Timezone: | ICT |
| Utc Offset: | +7 |
Fai Luang (Thai: ฝายหลวง, in Thai pronounced as /fǎːj lǔa̯ŋ/) is a village and tambon (sub-district) of Laplae District, in Uttaradit Province, Thailand.[1] In 2005, it had a population of 9,493 people. The tambon contains 11 villages.