| Official Name: | Lao Yao |
| Native Name: | เหล่ายาว |
| Settlement Type: | Subdistrict |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type2: | Province |
| Subdivision Name2: | Lamphun |
| Subdivision Type3: | District |
| Subdivision Name3: | Ban Hong District |
| Population As Of: | 2005 |
| Population Total: | 9641 |
| Timezone: | ICT |
| Utc Offset: | +7 |
Lao Yao (th|เหล่ายาว, pronounced as /th/) is a village and tambon (subdistrict) of Ban Hong District, in Lamphun Province, Thailand.[1] In 2005 it had a population of 9641 people. The tambon contains 12 villages.