| Acronym | Definition |
|---|
| CCU➣Coronary Care Unit |
| CCU➣Coastal Carolina University (Conway, SC, USA) |
| CCU➣CAP (Communications Access Point) Channel Unit |
| CCU➣Colorado Christian University (Lakewood, CO, USA) |
| CCU➣Centro Cultural Universitario (Spanish: University Cultural Center; Mexico) |
| CCU➣Critical Care Unit |
| CCU➣Carbon Capture and Utilization (energy industry) |
| CCU➣Chung Cheng University (Taiwan) |
| CCU➣Camera Control Unit |
| CCU➣Community Credit Union (various locations) |
| CCU➣Cardiac Care Unit |
| CCU➣Cache Control Unit |
| CCU➣Ccd Control Unit |
| CCU➣Coach Control Unit |
| CCU➣Central Computing Unit |
| CCU➣Central Control Unit |
| CCU➣Cyber Crime Unit (various locations) |
| CCU➣Cincinnati Christian University |
| CCU➣Colorado Credit Union (est. 1973) |
| CCU➣Compañía Cervecerías Unidas (Santiago, Chile brewery) |
| CCU➣Capital Credit Union |
| CCU➣Cyber Consequences Unit (US Department of Homeland Security) |
| CCU➣Computer Crime Unit (NSSOG) |
| CCU➣Concurrent Users |
| CCU➣Communication Control Unit |
| CCU➣Corporate Coach University (various locations) |
| CCU➣Climate Control Unit |
| CCU➣Common Control Unit |
| CCU➣Convention Collective Unique (French: Single Collective Agreement) |
| CCU➣Computer Control Unit |
| CCU➣Catalytic Cracking Unit |
| CCU➣Calcutta, India - Calcutta (Airport Code) |
| CCU➣Centre Catholique Universitaire (French: University Catholic Center) |
| CCU➣Campus and Community United (California) |
| CCU➣Confederation of Canadian Unions |
| CCU➣Cache Control Unit (Wyse) |
| CCU➣Civil Contingencies Unit (UK) |
| CCU➣Correctional Custody Unit |
| CCU➣Commercial Crimes Unit (various locations) |
| CCU➣Creative Concepts Unlimited (Los Osos, CA) |
| CCU➣Channel CODEC Unit (3GPP) |
| CCU➣Case Coordination Unit |
| CCU➣Cell Culture Unit (space station scientific payload; Space Station Biological Research Project) |
| CCU➣Comité Consultatif des Unités (French: Consultative Committee for Units; International Committee for Weights and Measures) |
| CCU➣Cargo Containment Unit |
| CCU➣Customer Control Unit |
| CCU➣Council on Christian Unity |
| CCU➣Charge Control Unit |
| CCU➣Communauté de Communes de l'Uzège (French municipality) |
| CCU➣Cardio Care Unit |
| CCU➣Cable Control Unit (Motorola) |
| CCU➣Correspondence Control Unit (US Department of Education) |
| CCU➣Command Center Upgrade |
| CCU➣Compact Computer Unit |
| CCU➣Converter Control Unit (aviation) |
| CCU➣Configuration Control Unit |
| CCU➣Console Control Unit |
| CCU➣Communication Collaborative Unifiée (French: Unified Collaborative Communications; telecommunications) |
| CCU➣Crewman Communications Umbilical (NASA) |
| CCU➣CDMA Channel Unit |
| CCU➣Contrôle de Compte Utilisateur (French: User Account Control) |
| CCU➣Communications Carrier Unit (NASA) |
| CCU➣Corporate Communication Unit (UK) |
| CCU➣Carrier Control Unit (Cannon Technologies, Inc.) |
| CCU➣Custom Configured Unit |
| CCU➣Crew Communications Umbilical |
| CCU➣Cross-Category Unit (retail) |
| CCU➣Cornu Cervi Ustum (Burnt Deer Antler, codices and manuscripts) |
| CCU➣Commodore Convoy Unit |
| CCU➣Consumer's Control Unit |
| CCU➣Cash Cost per Unit (Sprint) |
| CCU➣Cahier des Charges Utilisateur (French: User Specification) |
| CCU➣Customer Consumer Unit (electrical installation; UK) |