| Australian Cattle Dog | Veterinary | ACD |
| Automatic Call Delivery | Telecom | ACD |
| Auto-regressive Conditional Duration | Physics | ACD |
| AAMVET Code Dictionary | US Government | ACD |
| Automatic Call Distribution | Telecom | ACD |
| Apple Cinema Display | Hardware | ACD |
| Available Chemicals Directory | Chemistry | ACD |
| Active Center Differential | University | ACD |
| Air Constrained Dampening | Physics | ACD |
| Anterior Chest Diameter | Physiology | ACD |
| Automated Configuration Documentation | Computer Software | ACD |
| Automatic Call Distributor | Telecom | ACD |
| Art Creative Designer | Business Position | ACD |
| Advanced Chemistry Development | Other | ACD |
| Automatic Call Determination | Telecom | ACD |
| Average Call Duration | Other | ACD |
| apoptotic cell death | British Medicine | ACD |
| Apex Collaborative Dialing | Telecommunication | ACD |
| airlift communications division | Government | ACD |
| alveolar capillary dysplasia | British Medicine | ACD |
| actinomycin D | British Medicine | ACD |
| Association for Children with Down syndrome | Organization | ACD |
| administrative control desk | Government | ACD |
| Authorized Corporate Director | Business Position | ACD |
| Asociación Cristiana de Dirigentes | Spanish | ACD |
| administrative commitment document | Government | ACD |
| Engineering, Research and Development Service | Transportation | ACD |
| automated call distribution | Government | ACD |
| allergic contact dermatitis | British Medicine | ACD |
| Age Concern Durham | Organization | ACD |
| Atmospheric Chemistry Division | Chemistry | ACD |
| Assistance for Community Development | Organization | ACD |
| African Charity Drive | Organization | ACD |
| Action Charité et Développement | Organization | ACD |
| Adjournment in contemplation of dismissal | Other | ACD |
| automated call distribution | Other | ACD |
| Acandi | Airport Code | ACD |
| Agent of Communication and Development | Organization | ACD |
| Automatically Catalogues and Delivers | Business | ACD |
| Acid-citrate-dextrose | Physiology | ACD |
| assistant command director | Government | ACD |
| Angular Canopy Density | Military | ACD |
| Australasian College of Dermatologists | Organization | ACD |
| Advanced Chemistry Development | Chemistry | ACD |
