CPU is a computer's central processing unit.

Look up CPU in Wiktionary, the free dictionary.

CPU may also refer to:

• Carboxypeptidase B2, a human enzyme
• Critical Patch Update, software updates in Oracle products such as Oracle Database and Java

• Caribbean Postal Union, an association of postal (post office) administrators in the Caribbean region
• Central Philippine University
• Central Policy Unit, a head advisory unit to the Chief Executive of Hong Kong
• Central Police University, a police academy in Taiwan
• China Pharmaceutical University
• Clark Public Utilities, a public electric and water utility located in Clark County, Washington
• Columbia Pacific University, former unaccredited distance learning school in California
• Commonwealth Press Union, an association of newspapers and news agencies
• Communist Party of Ukraine
• Computer Professionals' Union, an organization of information and technology professionals, practitioners, and workers in the Philippines
• Contract postal unit, any contracted affiliate of the United States Postal Service
• Conférence des Présidents d'Université, an organization of university presidents in France

• Console Patron Units, the goddesses in Hyperdimension Neptunia
• China Pharmaceutical University station, one of the terminal stations of Nanjing Metro Line 1.

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