| Acronym | Definition |
|---|
| DAC | Digital-to-Analog Converter |
| DAC | Design Automation Conference |
| DAC | Development Assistance Committee (OECD) |
| DAC | Discretionary Access Control |
| DAC | District Advisory Council |
| DAC | Data Access Component |
| DAC | Downhill Assist Control (automobiles) |
| DAC | Department of Arts and Culture (South Africa) |
| DAC | Divide and Conquer |
| DAC | Deferred Acquisition Costs |
| DAC | Disabled Adult Child |
| DAC | Departamento de Aviação Civil (Brazil: Office of Civil Aviation) |
| DAC | Data Assembly Center |
| DAC | Diamond Anvil Cell |
| Dac | Dacian (linguistics) |
| DAC | Derived Air Concentration (radiation safety) |
| DAC | Duck And Cover (website) |
| DAC | Defense Ammunition Center |
| DAC | Downtown Athletic Club (New York City; awarders of the Heisman Trophy) |
| DAC | Disability Action Council |
| DAC | Detroit Athletic Club |
| DAC | Diocesan Advisory Committee (Church of England) |
| DAC | Deputy Assistant Commissioner |
| DAC | Deutsche Alternative Charts (Germany) |
| DAC | Department of the Army Civilian |
| DAC | Disk Array Controller |
| DAC | Dazed and Confused |
| DAC | Durham Arts Council |
| DAC | Douglas Aircraft Company |
| DAC | Disaster Assistance Center |
| DAC | Data Acquisition & Control |
| DAC | Development Aid Committee |
| DAC | Digital to Audio Converter |
| DAC | Dual Attached Concentrator (FDDI/CDDI) |
| DAC | Dual Attachment Concentrator (FDDI) |
| DAC | Department of Agriculture and Cooperation (India) |
| DAC | Data Acquisition Computer |
| DAC | Daskalakis Athletic Center (Drexel University, Philadelphia, PA) |
| DAC | Diversity Advisory Committee |
| DAC | Deutscher Anästhesiecongress |
| DAC | Disaster Application Center |
| DAC | Device Access Code (Bluetooth) |
| DAC | Data Authentication Code |
| DAC | Days After Contract (award) |
| DAC | Data Acquisition Camera |
| DAC | Damage Assessment Center |
| DAC | Defenders Against Chaos (gaming clan) |
| DAC | Data Access Committee |
| DAC | Downed Aircraft |
| DAC | Diabetes Advisory Council |
| DAC | District Accountability Committee |
| DAC | Drug and Alcohol Counselor |
| DAC | Democratic Action Committee |
| DAC | Dynamic Adaptive Compilation |
| DAC | Disarmament and Arms Control |
| DAC | Daughters of American Colonists |
| DAC | Downtown Action Committee |
| DAC | Data Abstraction Coupling |
| DAC | Department of Analytical Chemistry |
| DAC | Double Annular Combustor (gas turbine engines) |
| DAC | Defense Acquisition Circular |
| DAC | Dhaka, Bangladesh - Zia International Airport (Airport Code) |
| DAC | Designated Acquisition Commander |
| DAC | Document Availability Code |
| DAC | Direct Attach Copper |
| DAC | Danish Afghanistan Committee |
| DAC | Design Analysis Cycle |
| DAC | Data Acquisition Center |
| DAC | DailyAccess.com |
| DAC | Divisional Ammunition Column |
| DAC | Durban Automotive Cluster (South Africa) |
| DAC | Drug Alcohol Counseling |
| DAC | Degree of Articulatory Constraint (speech) |
| DAC | Digital Audio Cassette |
| DAC | Diretoria de Ação Cultural (Portuguese: Department of Cultural Action; Brazil) |
| DAC | DesRosiers Automotive Consultants |
| DAC | Douglas Adams Continuum (forum) |
| DAC | Deaf Action Committee for Sign Writing |
| DAC | Donor-Acceptor Complex |
| DAC | Data Acquisition Converter |
| DAC | Donor Awareness Council |
| DAC | Dynamic Admission Control |
| DAC | Daily Administrative Check |
| DAC | Deliberate Assault Course |
| DAC | Deployable ACCS Component |
| DAC | Data Analysis Console |
| DAC | Data Archive Center |
| DAC | Designated Area of Concentration |
| DAC | Design, Analysis, and Construction |
| DAC | Door, Air Curtain |
| DAC | DocuWare Application Consultant |
| DAC | Deming Arts Council (Deming, NM, USA) |
| DAC | Doctoral Addictions Counselor |
| DAC | DISA Area Command |
| DAC | Divert Attitude Control |
| DAC | Dynamic Aerospace Command |
| DAC | Delta Alliance Corps (Riverside, California) |
| DAC | Defense Intelligence Agency (DIA) counterintelligence and security activity (US DoD) |
| DAC | Dialog-To-Analog Converter |
| DAC | Debutanized Aromatic Concentrate |
| DAC | Discipline Acceptance Certificate |
| DAC | Development Agent Contractor |
| DAC | Detailed Attack Characterization |
| DAC | Director Assignment Console |
| DAC | Danmarks Arkæometriske Center (Danish Archaeometric Centre) |
| DAC | Digital Autopilot Controller |
| DAC | Division Aviation Company |
| DAC | Dark Angel Creations |
| DAC | Depth Adjustment Control |
| DAC | Durex Abrasives Corporation |
| DAC | Direct Attach Channel |
| DAC | Disconnected Circuit Assurance Check (Cornet) |
| DAC | Demodulator and Access Controller |
| DAC | Derived Air Concentrator |
| DAC | Delta Assistant Controller |
| DAC | Data Acquisition |
| DAC | Disaster Aid Canada (emergency relief; British Columbia, Canada) |
| DAC | Disability Advisory Committee (various locations) |
| DAC | Department Appointment Committee |
| DAC | Davies Arnold Cooper (UK) |
| DAC | Distressed Assets Coalition |
| DAC | Diversity across the Curriculum (various schools) |
| DAC | District Athlétique Club de Reims (French athletic club) |
| DAC | Depaz Album Création (French photo album company) |
| DAC | Defensive Aids Computer |
| DAC | Direction de l'Aviation Civile (French: Directorate of Civil Aviation; Luxembourg) |
| DAC | Data Acquisition Card |
| DAC | David Allan Coe (country music artist) |
| DAC | Dark Age of Camelot (gaming) |
| DAC | Drug Abuse Council (various organizations) |
| DAC | Dole Athlétique Club (French athletic club) |
| DAC | Développement Actions Commerciales (French business development company) |
| DAC | Department Advisory Committee (various organizations) |
| DAC | Dakota Athletic Conference (National Association of Intercollegiate Athletics) |
| DAC | Digital Angel Corporation (New London, CT) |
| DAC | Drug Advisory Committee (various locations) |
| DAC | Direction des Admissions et Concours (French: Directorate of Admissions and Competition; est. 1986) |
| DAC | Dispositif Adaptateur de Commande (French: Device Adapter Order) |
| DAC | Denver Area Council (Boys Scouts of America; Denver, CO) |
| DAC | Document d'Aménagement Commercial (French: Commercial Planning Document) |
| DAC | Direction des Affaires Culturelles (French: Department of Cultural Affairs) |
| DAC | Durango Arts Center (Durango, CO) |
| DAC | Data and Communications |