PCP may refer to:
In medicine and pharmaceutics:
- Phencyclidine, a recreational drug known by a number of street names including PCP, angel dust, embalming fluid, and rocket fuel
- Primary care physician, a doctor who acts as first point of consultation for patients
- Primary care paramedic
- Pneumocystis pneumonia, a form of pneumonia caused by the yeast-like fungus
- Post-coital pill, a form of emergency contraception
- Pharmacy Council of Pakistan
In politics:
- Paraguayan Communist Party
- Partido Comunista del Peru, also known as Shining Path
- Personal Choice Party, Utah
- Peruvian Communist Party
- Portuguese Communist Party
- Proletarian Catalan Party
- Puerto Rican Communist Party
In science:
- Parallel coordinate plot, a method for visualizing multivariate data
- PCP theorem, a theorem in computational complexity theory
- Pentachlorophenol, an organochlorine compound used as a timber preservative herbicide, insecticide, fungicide and algaecide
- Priority ceiling protocol, a computer science concept
- Probabilistically checkable proof (complexity), a notion in the theory of computational complexity
- Put–call parity, in financial mathematics a relationship between the price of a call option and a put option
In technology:
- Performance Co-Pilot, an open-source performance monitoring system
- Post correspondence problem, an important problem in computability theory
- Pre-charged pneumatic, a type of air gun
- Priority Code Point, a three-bit priority field within an Ethernet frame header when using IEEE 802.1q tagged frames.
Miscellaneous:
- "Faster/P.C.P.", a single by Manic Street Preachers, from their 1994 album The Holy Bible
- Purple City Productions, a Harlem-based rap group
- Personal contract purchase, a vehicle financing product
- Principia Cybernetica Project, an organization and website devoted to evolutionary-cybernetic philosophy
- Perfect Crime Party, a fictional manga in Bakuman