| Official Name: | Ban Saeo |
| Native Name: | บ้านแซว |
| Settlement Type: | Tambon |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type2: | Province |
| Subdivision Name2: | Chiang Rai |
| Subdivision Type3: | District |
| Subdivision Name3: | Chiang Saen |
| Population As Of: | 2005 |
| Population Total: | 11,444 |
| Timezone: | ICT |
| Utc Offset: | +7 |
Ban Saeo (Thai: บ้านแซว) is a village and tambon (subdistrict) of Chiang Saen District, in Chiang Rai Province, Thailand.[1] In 2005, it had a population of 11,444 people. The tambon contains 15 villages.