Pou Rieng (Khmer: ស្រុកពោធិ៍រៀង),[2] formerly Kampong Leav (Khmer: ស្រុកកំពង់លាវ), is a district located in Prey Veng province, in south-eastern Cambodia.

According to the 1998 census, the Kampong Leav District consisted of 8 communes[3] with a total population of 55,054.

[4] In 2008–2009 three communes—Baray, Cheung Tuek and Kampong Leav—formed a new district, the Prey Veng Municipality;[5] according to the 2008 census, the population of the resulting five-commune district was 29,259.

[1] In 2011 the district was renamed Pou Rieng (or Pur Rieng) and two communes which previously belonged to the Pea Reang district—Kampong Ruessei and Preaek Ta Sar—were added to the district.

[2] In 2019 the Ta Kao Commune was incorporated to the Prey Veng Municipality.