CP, cp. or its variants may refer to:

• Cariyapitaka (Cp), a canonical Buddhist story collection
• The Canadian Press, a Canadian news agency
• Child pornography
• The Christian Post, an American newspaper
• Coldplay, a British pop rock band
• Competitive programming
• Club Penguin, a now defunct online multiplayer game
• Creepypasta, a form of internet horror story
• Cyberpunk, a subgenre of science fiction

• Canadian Airlines (1987–2001) (IATA airline code CP)
• Canadian Pacific Railway, reporting mark CP
• Cebu Pacific, a Philippine airline company
• Central Pacific Railroad, a network of lines between California and Utah, US
• Chemins de Fer de Provence, a French public railway company
• Comboios de Portugal, a Portuguese state-owned train company
• CP Air or Canadian Pacific Air Lines (1942–1987), a Canadian airline
• CP Ships, a Canadian shipping company, part of TUI Group
• Cathay Pacific, a Hong Kong–based major airline

• C.P. Company, an Italian apparel brand
• Cedar Point, an amusement park in Sandusky, Ohio, United States
• Charoen Pokphand (C.P. Group), a Thai agribusiness conglomerate
• Chicago Pneumatic, an American manufacturer of tools and equipment
• Colgate-Palmolive, an American consumer goods company
• Commercial Press, a Chinese publishing company
• Connaught Place, New Delhi, a commercial centre in India
• Curious Pastimes, a UK-based gaming company

• Captain of the Parish, a (now mainly ceremonial) appointment in the Isle of Man (post-nominal letters CP)
• Central Powers, a military alliance before and during World War I, led by the German Empire
• Certified Paralegal, an American legal qualification
• Charterparty, a maritime contract for the hire of a ship
• Civil parish, the lowest tier of government in England
• Command Post, in military terminology
• Commissioner of Police, the top-ranking officer of the Police Force
• Consejo popular, an electoral ward of Cuba.

• Cerebral palsy

• Certified Prosthetist, an American medical qualification
• Ceruloplasmin, an enzyme encoded by the CP gene
• Congenital prosopagnosia, a type of inability to recognize faces
• Chronic pancreatitis

• Capensinidin (Cp), a blue-red plant dye
• Carbon monophosphide, a diatomic radical chemical compound
• Cassiopium (Cp), a name formerly used for the chemical element Lutetium
• Chlorinated paraffins (CPs), complex mixtures of polychlorinated n-alkanes
• Cp, a proposed chemical symbol for the element Copernicium (Cn)
• Counterpoise method, a way to correct for basis set superposition error in quantum chemistry
• Cross-polarization
• Cyclopentadienyl ligand (Cp), read as "C P", the cyclic C
  ₅H
  ₅ fragment in a coordination complex
  • The similar symbol Cp* ("C P star") represents pentamethylcyclopentadienyl, the C
    ₅Me
    ₅ ligand

• Chlorphenamine, a first-generation alkylamine antihistamine
• Creatine phosphate, a chemical used to store phosphates in the body
• Cyclophosphamide, a medication to suppress the immune system

• cp (Unix), a UNIX command for copying files and directories
• Certificate policy, outlining (non)-intended uses of a digital certificate
• Circuit Probe, a method of wafer testing
• Code page, a table identifying the character set used to encode a set of glyphs
• Constraint programming, a programming paradigm wherein relations between variables are stated in the form of constraints
• Control Program, part of an operating system of the late 1960s; see CP/CMS
• Connection pool, a cache of database connections
• The 'Content Profile' in the NISO standard Content Profile/Linked Document, a data serialisation format

• Cauchy problem, in partial differential equations
• Complex projective space (CPⁿ), the projective space with respect to the field of complex numbers
• Mallows's C_p, a statistic used in model selection
• Process capability index, (C_p), a statistical measure of process capability

• Candlepower (cp), a measure of luminous intensity
• Centipoise (cP), a unit of viscosity
• CP symmetry, in particle physics, the product of charge conjugation and parity
• C_p, the specific heat capacity at constant pressure
• Pressure coefficient (C_p), a parameter for studying the flow of fluids
• Center of pressure (fluid mechanics), the point where the total sum of a pressure field acts on a body

• Cathodic protection, a technique used to control the corrosion of a metal surface
• Cellphone, a portable telephone device
• Clock pulse, a signal type in electronics
• Complementizer phrase, in linguistics, the syntactic head of a full clause
• Continental Polar (cP), in meteorology, a type of air mass
• Control point, a section of track where switches and signals control trains within a centralized traffic control

• Adobe Captivate, an Adobe software
• C. P. (name), shared by several notable individuals
• Camp (disambiguation)
• Central provinces (disambiguation) (C.P.)
  • Central Provinces (1861–1936), a former province of India, succeeded by
  • Central Provinces and Berar (1936–1950), corresponding to Madhya Pradesh in the post-partition republic
  • Central Provinces and Berar Circuit or C. P.-Berar Circuit, a Hindi film distribution circuit comprising parts of Madhya Pradesh, Chhattisgarh and Maharashtra
• Ceteris paribus (cp), a Latin phrase commonly rendered as "all other things being equal"
• Colored people
  • see also colored people's time
• Commercial paper, in global finance, a type of promissory note
• Communist party, a political party that advocates communism through state policy
• Congestion pricing
• Customer profitability, the profit a firm makes from serving a customer
• Member of the Passionists, a Roman Catholic religious order (post-nominal letters C.P.)
• compare, a directive to the reader to compare to a cited source (used interchangeably with "cf."); see List of Latin abbreviations
• Clipperton Island, a territory with exceptional country code CP
• Montenegrin Party (Crnogorska partija), a political party in Serbia