| Official Name: | Mae Sap |
| Native Name: | แม่สาบ |
| Settlement Type: | Tambon |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type2: | Province |
| Subdivision Name2: | Chiang Mai |
| Subdivision Type3: | Amphoe |
| Subdivision Name3: | Samoeng |
| Population As Of: | 2005 |
| Population Total: | 3464 |
| Timezone: | ICT |
| Utc Offset: | +7 |
Mae Sap (Thai: แม่สาบ) is a tambon (sub-district) of Samoeng District, in Chiang Mai Province, Thailand.[1] In 2005 it had a population of 3,464 people. The tambon contains 10 villages.