CPSU is the Communist Party of the Soviet Union, the sole governing party of the Soviet Union until 1990.

CPSU may also refer to:

Schools

  • California Polytechnic State University, San Luis Obispo, California, USA
  • Central Philippines State University, Negros Occidental, Philippines
  • Coventry Polytechnic Students Union, England

Organizations

  • Central Public Sector Undertaking, a state-owned enterprise in India
  • Civil and Public Services Union, an Irish trade union
  • Commonwealth Policy Studies Unit, a think tank in London
  • Communist Party of Social Justice, political party in Russia established in 2012
  • Communist Party of the Soviet Union (2001)
  • Community and Public Sector Union, an Australian trade union
  • Union of Communist Parties – Communist Party of the Soviet Union