Si subdistrict

Si (สิ, ) is a tambon (subdistrict) of Khun Han District, in Si Sa Ket Province, Thailand. In 2017 it had a total population of 11,476 people.

Central administration
The tambon is subdivided into 14 administrative villages (muban).

Local administration
The area of the subdistrict is shared by 2 local governments.
 * the subdistrict municipality (Thesaban Tambon) Khun Han (เทศบาลตำบลขุนหาญ)
 * the subdistrict municipality (Thesaban Tambon) Si (เทศบาลตำบลสิ)