PAC
- Albrook "Marcos A. Gelabert" International Airport
- Anti-Corruption Party
- Armed Proletarians for Communism
- Battlefield 2142
- Civil Defense Patrols
- Collateralized mortgage obligation
- Colonial States Athletic Conference
- Computer appliance
- List of TCP and UDP port numbers
- List of electronic component packaging types
- MIM-104 Patriot
- PAC 750XL
- PAC CT/4
- PAC Cresco
- PAC Fletcher
- Pac (family)
- Pac (wrestler)
- Pac, Albania
- Pac-12 Conference
- Pac-Man (disambiguation)
- Pacific Aerospace Corporation
- Padiglione d'Arte Contemporanea
- Pakistan Aeronautical Complex
- Pan Africanist Congress
- Panasonic Academic Challenge
- Panasonic Avionics Corporation
- Parent-Adult-Child
- Partido Acción Ciudadana (disambiguation)
- Peoples' Aman Committee
- Perceptual Audio Coder
- Peres Academic Center
- Perfect authentic cadence
- Performing arts center
- Perturbed angular correlation
- Peruvian Amazon Company
- Photoactivated adenylyl cyclase
- Physician assistant
- Pioneer Athletic Conference
- Pocket Athletic Conference
- Pointer Authentication Code
- Polar Air Cargo
- Polish American Congress
- Political Affairs Committee (British Guiana)
- Political action committee
- Porting Authorisation Code
- Post-abortion care
- Pre-anesthesia checkup
- Premature atrial contraction
- Presentation–abstraction–control
- Presidents' Athletic Conference
- Prince Alfred College
- Proanthocyanidin
- Probably approximately correct
- Programa de Aceleração do Crescimento
- Providence Anime Conference
- Proxy auto-config
- Pseudo algebraically closed field
- Public Accounts Committee (India)
- Public Accounts Committee (Malaysia)
- Public Accounts Committee (United Kingdom)
- Public Affairs Committee (Malawi)
- Public Affairs Council (disambiguation)
- Public assistance committee
- Pulmonary artery catheterization
- Pure and Applied Chemistry
- Rapid Deployment Force (Malaysia)
- Tupac Shakur