CPG may stand for:

• Cameron Pace Group, a 4D technology and production company based in Berlin, Germany
• Catholic Police Guild, of England & Wales, founded in 1914
• Center for the Prevention of Genocide at the United States Holocaust Memory Museum
• Central People's Government, term used for the government of the People's Republic of China
• Chingwin Publishing Group, a Taiwanese Publishing Group famous for its large manga selection
• CITIC Publishing Group, a publishing company under CITIC Group based in Beijing, China
• Communist Party of Greece
• Compagnie des phosphates de Gafsa, a Tunisian mining company
• CPG Corporation, the corporatized entity of the former Public Works Department of Singapore
• CPI Property Group, a Luxembourg-based property company

• Caffeoyl phenylethanoid glycoside, a type of phenolic compound (see for instance Verbascoside)
• Calorically perfect gas
• Clopidogrel
• CpG ODN, a synthetic TLR9 agonist
• CpG site, a site in DNA
• CpG island, a specialized region of DNA
• Central pattern generator, a neural oscillator, for example generating the respiratory cycle
• abbreviation for Calopogon, an orchid genus containing the "grass pinks"
• Catalog of Principal Galaxies, see Principal Galaxies Catalogue
• Controlled Porosity Glass or Controlled Pore Glass, synonyms for porous glass
• Clavis Patrum Graecorum, volumes published by Brepols of Turnhout in Belgium
• Cycloprolylglycine (traneurocin), an endogenous compound and drug

• Canadian Parliamentary Guide
• Chrysler Proving Grounds
• Clinical practice guideline
• Codices Palatini germanici, German-language manuscripts in the Palatine library in Heidelberg
  • CPG 359, the Cod. Pal. germ. 359 illustrated manuscript
• Code property graph, a computer program representation
• Consumer packaged goods, another name for fast-moving consumer goods
• ICAO airline designator for Corporacion Aeroangeles, Mexico
• CPg, a Hungarian punk rock band
• CPG (Cyber PlayGround), codename for the 2001 console Xbox.