Suy Sem (Khmer: ស៊ុយ សែម; born 25 August 1947) is a Cambodian politician and Minister of Mines and Energy.

He is a member of the Cambodian People's Party and was elected to represent Pursat Province in the National Assembly of Cambodia in 2003.

[1] He was reinstated as the Minister of Mines and Energy after the general elections in 2013.

[2] Before 2013, he served as Minister of Industry, Mines, and Energy which was split into two ministries: Ministry of Mines and Energy, and Ministry of Industry and Handicrafts.

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