Bueng Chawak (Thai: บึงฉวาก, pronounced [bɯ̄ŋ t͡ɕʰā.wàːk]) AKA Bueng Chawak Chaloem Phra Kiat (บึงฉวากเฉลิมพระเกียรติ, [bɯ̄ŋ t͡ɕʰā.wàːk t͡ɕʰā.lɤ̌ːm pʰráʔ kìa̯t]) is a natural freshwater lake in central Thailand. It has an area of 1,067 ac, covering the area of the sub-districts Pak Nam, Doem Bang and Hua Khao of Doem Bang Nang Buat District, Suphan Buri Province to the sub-district of Ban Chian, Hankha District, Chai Nat Province. The lake is about 64 km north of Suphan Buri City.