| Official Name: | Sai Noi Subdistrict |
| Native Name: | Thai: ตำบลไทรน้อย |
| Settlement Type: | Subdistrict |
| Subdivision Type: | Country |
| Subdivision Type2: | Province |
| Subdivision Name2: | Nonthaburi |
| Subdivision Type3: | District |
| Subdivision Name3: | Sai Noi |
| Population As Of: | 2020 |
| Population Footnotes: | [1] [2] |
| Population Total: | 29256 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Postal Code Type: | Postal code |
| Blank Name: | TIS 1099 |
Sai Noi (Thai: ไทรน้อย, in Thai pronounced as /sāj nɔ́ːj/) is one of the seven subdistricts (tambon) of Sai Noi District, in Nonthaburi Province, Thailand. Neighbouring subdistricts are (clockwise from north) Khlong Khwang, Lahan, Bang Bua Thong, Thawi Watthana and Khun Si. In 2020 it had a total population of 29,256 people.[1] [2]
The subdistrict is subdivided into 11 administrative villages (muban).[3] [4]
| No. | Name | Thai | |
|---|---|---|---|
| 1. | Ban Sai Noi | บ้านไทรน้อย | |
| 2. | Ban Khlong Ta Khlai | บ้านคลองตาคล้าย | |
| 3. | Ban Sai Noi | บ้านไทรน้อย | |
| 4. | Ban Sai Noi | บ้านไทรน้อย | |
| 5. | Ban Sai Noi (Ban Khlong Phra Phimon) | บ้านไทรน้อย (บ้านคลองพระพิมล) | |
| 6. | Ban Khlong Ha Roi | บ้านคลองห้าร้อย | |
| 7. | Ban Khlong Farang | บ้านคลองฝรั่ง | |
| 8. | Ban Khlong Ta Khlai | บ้านคลองตาคล้าย | |
| 9. | Ban Sai Noi | บ้านไทรน้อย | |
| 10. | Ban Sai Noi | บ้านไทรน้อย | |
| 11. | Ban Sai Noi | บ้านไทรน้อย |
The area of the subdistrict is shared by two local administrative organizations.