Thoet Thai (Thai: เทอดไทย) is a tambon (subdistrict) of Mae Fa Luang District, in Chiang Rai Province, Thailand.

[1] The subdistrict was created effective May 29, 1991 by splitting off 15 administrative villages from Mae Rai, Mae Kham.

The tambon is subdivided into 19 administrative villages (muban).

The whole area of the subdistrict is covered by the subdistrict administrative organization (SAO) Thoet Thai (องค์การบริหารส่วนตำบลเทอดไทย).

This Chiang Rai province location article is a stub.