| Official Name: | Luang Tai |
| Native Name: | หลวงใต้ |
| Settlement Type: | Tambon |
| Subdivision Type: | Country |
| Subdivision Type2: | Province |
| Subdivision Name2: | Lampang |
| Subdivision Type3: | Amphoe |
| Subdivision Name3: | Ngao District |
| Population As Of: | 2005 |
| Population Total: | 6189 |
| Timezone: | Thailand |
| Utc Offset: | +7 |
Luang Tai (Thai: หลวงใต้) is a village and tambon (subdistrict) of Ngao District, in Lampang Province, Thailand.[1] In 2005 it had a total population of 6189 people. The tambon contains 8 villages.