| Rank | Abbreviation | Meaning |
|---|
| ***** | ACCD | Academy of CAD/CAM (Computer-Aided Design/Computer-Aided Manufacturing) Dentistry
| |
| ***** | ACCD | Agència Catalana de Cooperació al Desenvolupament
| |
| ***** | ACCD | Association for Christian Character Development
| |
| ***** | ACCD | Art Center College of Design
| |
| ***** | ACCD | Approximate Coupled Cluster Method
| |
| ***** | ACCD | American Coalition of Citizens with Disabilities
| |
| **** | ACCD | Agency of Commerce and Community Development
| |
| **** | ACCD | Alberta Committee of Citizens with Disabilities
| |
| **** | ACCD | Alamo Community College District
| |
| **** | ACCD | Arab Council for Childhood and Development
| |
| *** | ACCD | Alliance for Contraception in Cats and Dogs
| |
| *** | ACCD | Approximate Double Substitution Coupled Cluster Method
| |
| *** | ACCD | l'Agència Catalana de Cooperació al Desenvolupament
| |
| *** | ACCD | Agencia Catalana de Cooperación al Desarrollo
| |
| ** | ACCD | Animal Care and Control Department
| |
| ** | ACCD | Approximately Coupled Cluster Doubles
| |
| ** | ACCD | Advanced Communications and Countermeasures Division
| |
| ** | ACCD | Airborne Command & Control Display
| |
| ** | ACCD | Academic Counselling and Career Development
| |
| ** | ACCD | Ageing and Community Care Division
| |
| * | ACCD | Association of Certified Commercial Diplomats
| |
| * | ACCD | Accelerated Construction Completion Date
| |
| * | ACCD | Aircraft Compatibility Control Drawing
| |
| * | ACCD | Australian Coalition for Cultural Diversity
| |
| * | ACCD | Alabama Council on Crime and Delinquency
| |