Khuean Phak (Thai: เขื่อนผาก) is a tambon (subdistrict) of Phrao District, in Chiang Mai Province, Thailand.

In 2020 it had a total population of 4,627 people.

[1] The tambon is subdivided into 10 administrative villages (muban).

The whole area of the subdistrict is covered by the subdistrict administrative organization (SAO) Khuean Phak (องค์การบริหารส่วนตำบลเขื่อนผาก).

This Chiang Mai province location article is a stub.