| Official Name: | Ban Ko |
| Native Name: | บ้านเกาะ |
| Settlement Type: | Tambon |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type2: | Province |
| Subdivision Name2: | Uttaradit |
| Subdivision Type3: | District |
| Subdivision Name3: | Mueang Uttaradit |
| Population As Of: | 2005 |
| Population Total: | 8863 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Postal Code Type: | Postal code |
| Blank Name: | TIS 1099 |
Ban Ko (Thai: บ้านเกาะ, in Thai pronounced as /bâːn kɔ̀ʔ/) is a tambon (sub-district) of Mueang Uttaradit District, in Uttaradit Province, Thailand.[1] In 2005, it had a population of 8,863 people. The tambon contains eight villages.