Chulabhorn Dam (เขื่อนจุฬาภรณ์) is a dam in Thailand. It is named after a princess, Chulabhorn Walailak. The dam is in Tambon Thung Lui Lai, Amphur Kon San, Chaiyaphum Province on the Nam Phrom River. It is 700 metres long and 70 metres high. It holds a reservoir of 31 square kilometres.