Chey Saen District (Khmer: ស្រុកជ័យសែន) is a district located in Preah Vihear Province, in northern Cambodia. According to the 1998 census of Cambodia, it had a population of 15,004. The population recorded by the 2008 census was 20,730.

Administration

As of 2020, the district contains the following khums (communes).

Code	Commune	Khmer
130101	S'ang	ឃុំស្អាង
130102	Tasu	ឃុំតស៊ូ
130103	Khyang	ឃុំខ្យង
130104	Chrach	ឃុំច្រាច់
130105	Thmea	ឃុំធ្មា
130106	Putrea	ឃុំពុទ្រា