Sai Noi subdistrict, Nonthaburi

{{Infobox settlement

|official_name = Sai Noi Subdistrict

|native_name = {{lang|th|ตำบลไทรน้อย}}

|settlement_type = Subdistrict

|motto =

|subdivision_type = Country

|subdivision_name = {{flag|Thailand}}

|subdivision_type2 = Province

|subdivision_name2 = Nonthaburi

|subdivision_type3 = District

|subdivision_name3 = Sai Noi

|established_title =

|established_date =

|area_total_km2 =

|area_water_km2 =

|area_footnotes =

|population_as_of = 2020

|population_footnotes = {{cite web|url=https://stat.bora.dopa.go.th/stat/statnew/statyear/#/TableTemplate4/Area/statpop?yymm=63&ccDesc=จังหวัดนนทบุรี&topic=statpop&ccNo=12&rcodeNo=1205&rcodeDesc=อำเภอไทรน้อย|publisher=Department of Provincial Administration|title=Population statistics 2020: Sai Noi District|language=Thai|accessdate=11 December 2021}}{{cite web|url=https://stat.bora.dopa.go.th/stat/statnew/statyear/#/TableTemplate4/Area/statpop?yymm=63&ccDesc=จังหวัดนนทบุรี&topic=statpop&ccNo=12&rcodeNo=1291&rcodeDesc=ท้องถิ่นเทศบาลตำบลไทรน้อย|publisher=Department of Provincial Administration|title=Population statistics 2020: Sai Noi Subdistrict Municipality|language=Thai|accessdate=11 December 2021}}

|population_note =

|population_total = 29256

|population_density_km2 =

|timezone = ICT

|utc_offset = +7

|latd= |latm= |lats=

|longd= |longm= |longs=

|elevation_footnotes =

|elevation_m =

|postal_code_type = Postal code

|postal_code = {{#property:P281}}

|area_code =

|blank_name = TIS 1099

|blank_info = {{#property:P1067}}

|website =

|footnotes =

|image_skyline = คลองพระพิมล2.jpg

|image_alt =

|image_caption = Khlong Phra Phimon in the area of Wat Sai Yai, Sai Noi subdistrict

}}

Sai Noi ({{langx|th|ไทรน้อย}}, {{IPA|th|sāj nɔ́ːj|pron}}) 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.