Santi Suk (Thai: สันติสุข) is a tambon (subdistrict) of Doi Lo District, in Chiang Mai Province, Thailand.

[1] The subdistrict was created effective 1 May 1991 by splitting off eight administrative villages from Yang Khram.

[2] The tambon is divided into nine administrative villages (mubans).

The subdistrict is covered by the subdistrict municipality (thesaban tambon) Santi Suk (เทศบาลตำบลสันติสุข).

This Chiang Mai province location article is a stub.