CCM may refer to:
- Cubic centimetre (ccm), metric unit of volume
- Climate change mitigation (CCM), climate change topic
- Customer Conversation Management (#CCM), a new industry trend that emphasizes the decentralization of the interactions with consumers empowered by increased accessibility to information across multiple digital channels, as opposed to the classic Customer Relationship Management paradigm.
Biology and medicine
- Calcium concentration microdomains, part of a cell's cytoplasm
- Photosynthesis#Carbon concentrating mechanisms
- Cardiac contractility modulation, a therapy for heart failure
- Cerebral cavernous malformation
Computing
- CCM mode, an encryption algorithm
- Client Configuration Manager, a component of Microsoft System Center Configuration Manager
- Combined Cipher Machine, a WWII-era cipher system
- Community Climate Model, predecessor of the Community Climate System Model
- Constrained conditional model, a machine-learning framework
- CORBA Component Model
- Customer communications management, a type of software
Government
- Center for Countermeasures, a US White Sands Proving Grounds operation
- Chama Cha Mapinduzi, the ruling political party in Tanzania
- Command Chief Master Sergeant, a US Air Force position
- Convention on Cluster Munitions, a 2010 international treaty prohibiting cluster bombs
Music
- Aspects of mid-20th century American Christian evangelicism:
- Contemporary commercial music
- University of Cincinnati – College-Conservatory of Music
Schools and organizations
- City College of Manila, Philippines
- Council of Churches of Malaysia
- County College of Morris, New Jersey, United States
Sport
- CCM (bicycle company), a Canadian bicycle manufacturer
- CCM (ice hockey), a Canadian sporting goods brand
- Central Coast Mariners, an Australian A-League football team
- Clews Competition Motorcycles, a British motorcycle manufacturer
Other uses
- Cardinal Courier Media, an overseeing body at St. John Fisher College
- CCM Airlines, an airline of Corsica, France
- Certified Consulting Meteorologist
- China Chemicals Market, part of Kcomber
- Convergent cross mapping, a statistical test
- Core Cabin Module, a part of the Chinese space station
- Macao Cultural Centre, Macau, China