CCUC is a four-letter abbreviation which may refer to:
Customer Configuration Updating (CCU) is a software development method for structuring the process of providing customers with new versions of products and updates production.
CCU may refer to:
A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath.
Azathioprine (AZA), sold under the brand name Imuran among others, is an immunosuppressive medication.
Ccullco is a populated place in Apurímac Region, Peru.
Ccuelluccasa is a populated place in Huancavelica Region, Peru.
Netaji Subhas Chandra Bose International Airport (IATA: CCU, ICAO: VECC) is an international airport located in Kolkata, West Bengal, India, serving the Kolkata metropolitan area.
Lactobacillus sakei is a bacterium species in the genus Lactobacillus. It is a facultatively heterofermentative Lactobacillus species (placed in Group II, with species able to produce either alcohol or lactic acid from sugars).
Kinwamayu (Quechua kinwa a plant (Chenopodium quinoa), mayu river, hispanicized spelling Ccuenhuamayo) is a river in Peru located in the Ayacucho Region, Victor Fajardo Province, Huancapi District.