This article needs additional citations for verification. (June 2020)
|Location||Huai Khamin Subdistrict, Dan Chang District, Suphan Buri Province|
|Purpose||Irrigation, flood control|
|Construction cost||960 million baht|
|Built by||Royal Irrigation Department (RID)|
|Dam and spillways|
|Type of dam||Earthen|
|Height (foundation)||32.5 m|
|Total capacity||390 m3|
|Active capacity||240 m3|
|Catchment area||1,220 km2|
Krasiao Dam (Thai: เขื่อนกระเสียว, RTGS: Khuean Krasiao, pronounced [kʰɯ̀a̯n krā.sǐa̯w]) is in Huai Khamin Subdistrict, Dan Chang District, Suphan Buri Province, Thailand. It was built in 1980. It is an earthen dam built to store water from the Krasiao River. Its length is 4,250 meters and its height is 32.5 meters. Its reservoir is 28,750 rai (46.00 km2; 17.76 sq mi). The capacity of the dam is 240 million metres3. It is the longest earthen dam in Thailand. Its beneficial area is 350,000 rai.
- "เขื่อนกระเสียว จังหวัดสุพรรณบุรี [Krasiao Dam Suphan Buri Province]". Royal Irrigation Department. Retrieved 28 June 2020.
- Freshwater Fishery Prevention and Suppression Unit, Krasiao Suphanburi Dam