American Communist Party

American Communist Party may refer to:

• American Communist Party (2024) (ACP), a Marxist–Leninist party in the United States and Canada
• Communist Party USA (CPUSA), a Marxist party in the United States
• Communist Party USA (Marxist–Leninist) (CPUSA-ML), a defunct American Maoist party based in Los Angeles
• Communist Party of the USA (Opposition) (CPO), a defunct American Bukharinist party led by Jay Lovestone
• Communist Party USA (Provisional) (CPUSA(P)), a clandestine communist party in the United States alleged to be affiliated with the National Labor Federation