Thung Luilai (, ; , ) is a tambon (sub-district) of Khon San District, Chaiyaphum Province, northeastern Thailand. It is one of the eight sub-districts of Khon San District.

Geography Thung Luilai has a total area of 725 square kilometers (470,000 rai), from district office.

Neighbouring areas (from north clockwise): Thung Phra and Huai Yang in its district, Nong Phon Ngam in Kaset Sombun, and Nam Nao in Phetchabun Province.

Most of the area is mountainous and a small hillside plain.

Demography Total population of 6,147 people (3,056 men, 3,091 women) in 2,098 households.

Economy Thung Luilai residents are mainly engaged in agriculture. A small percentage of them are employed.

Administration The sub-district is governed by the Subdistrict-Municipality Thung Luilai (เทศบาลตำบลทุ่งลุยลาย).

The area also consists of seven administrative villages (muban).

No. Name Thai1.Ban Thung Luilaiบ้านทุ่งลุยลาย2.Ban Rong Waeบ้านร่องแว่3.Ban Nam Thipบ้านน้ำทิพย์4.Ban Nong Ya Kongบ้านหนองหญ้าโก่ง5.Ban Nong Chiang Rot Taiบ้านหนองเชียงรอดใต้6.Ban Non Silaบ้านโนนศิลา7.Ban Nong Chiang Rot Nueaบ้านหนองเชียงรอดเหนือ

Places Wat Thung Luilai Temple Chulabhorn Dam, also known as Nam Phrom Dam Phu Khiao Wildlife Sanctuary Phu Khiao Wildlife Breeding Station

In Pop Culture Thung Luilai is the setting of a dance luk thung (country music) song, titled 'Kid Teung Thung Luilai' (คิดถึงทุ่งลุยลาย, "missing Thung Luilai"). It was sung by many performers, including Yui Yatyer and Tai Orathai, but the original belongs to Yenjit Porntawi since the 1980s.

References