| Acronym | Definition |
|---|
| ACSD | Abbeville County School District (South Carolina) |
| ACSD | Advanced Container Security Device |
| ACSD | Accelerated Child Survival and Development |
| ACSD | Application of Concurrency to System Design |
| ACSD | Anaheim City School District (California) |
| ACSD | Adirondack Central School District (New York) |
| ACSD | Assistance for Children with Severe Disabilities (Canada) |
| ACSD | Aspen Camp School for the Deaf (Colorado) |
| ACSD | Adams County School District (Colorado) |
| ACSD | Association for Christians in Student Development |
| ACSD | Ames Community School District (Iowa) |
| ACSD | America's Choice School Design (National Center on Education and the Economy) |
| ACSD | Arlington Central School District (New York) |
| ACSD | Annville-Cleona School District (Pennsylvania) |
| ACSD | Association for Computer Security Day (Washington, DC) |
| ACSD | Advisory Committee for Students with Disabilities |
| ACSD | Atmospheric and Climate Science Directorate (Canada) |
| ACSD | Administrative and Customer Services Division |
| ACSD | African Canadian Services Division (Nova Scotia, Canada) |
| ACSD | Albany County Sewer District |
| ACSD | Advanced Container Security Devices |
| ACSD | Azerbaijan Civil Society Development (USAID program) |
| ACSD | Allied Climbers of San Diego (California) |
| ACSD | Access to Country Specific Data |
| ACSD | Ankeny Community School District (Iowa) |
| ACSD | Affinity Capture Surface Display |
| ACSD | Allowable Contract Selection Date |
| ACSD | Accredited Cabinetry and Space Designer |
| ACSD | Austrian Council for Sustainable Development |
| ACSD | Adult Children of Sexual Dysfunction |
| ACSD | Allen Chen Software Development, Inc. |
| ACSD | Acorn Cardiac Support Device (Acorn Medical, Minneapolis, MN) |
| ACSD | Amgen Cell Selection Device |
| ACSD | Association of Christian Spiritual Directors |
| ACSD | Agility Club of San Diego, Inc. (California) |
| ACSD | Academy for Community Schools Development |
| ACSD | aircrew-centered system design (US Navy) |
| ACSD | Albion Central School District (New York) |
| ACSD | Advanced Communication Systems Design |
| ACSD | All Campus Service Day |
| ACSD | Animal Control Services Division |
| ACSD | Association of Computer Service Directors of Ontario (Canada) |
| ACSD | Advanced Content Switch Design |
| ACSD | Academy Collection of Swedenborg Documents (Bryn Athyn College) |
| ACSD | Albia Community School District (Iowa) |
| ACSD | Activity Standard Deviation |
| ACSD | Abstract Complete Situation Description |
| ACSD | Alabama Computer Science Department |
| ACSD | Anamosa Community School District (Iowa) |
| ACSD | Adjustable Carbon Steel Dies |
| ACSD | Automatic Color Scanned Device |
| ACSD | Airway Circuit-Stabilizing Device |
| ACSD | Ambulatory Care Sensitive Diseases |
| ACSD | Advanced Child Seat Detection |
| ACSD | Army Community Service Division |
| ACSD | Alameda County Sewer District (California) |