CPSU can refer to:
- Central Philippines State University, a state university in the Philippines
- Communist Party of the Soviet Union
- Communist Party of the Soviet Union (1992)
- Communist Party of the Soviet Union (Shenin)
- Union of Communist Parties — Communist Party of the Soviet Union
- Communist Party of Social Justice — political party in Russia established in 2012
- Civil and Public Services Union - an Irish trade union
- Community and Public Sector Union - an Australian trade union
- California Polytechnic State University in San Luis Obispo, California, USA
- Commonwealth Policy Studies Unit
- Coventry Polytechnic Students Union
|This disambiguation page lists articles associated with the title CPSU.
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