| Abbreviation | Definition |
|---|---|
| ACSS | Aluminum Conductor Steel Supported |
| ACSS | Arkansas Council for the Social Studies |
| ACSS | Atlanta Center for Self Sufficiency |
| ACSS | Aural Cascading Style Sheets |
| ACSS | Austin Cactus and Succulent Society |
| ACSS | Automated Clearing Settlement System |
| ACSSP | Accenture Citizen Self Service Portal |
| ACSSP | Accenture Consumer System Support Portal |
| ACSSP | Air Carrier Standard Security Program |
| ACST | Advances in |
| ACST | Advances in Computational Sciences and Technology |
| ACST | Aero Club of Southern Tasmania |
| ACST | Aesthetic Creative Significant and Timeless |
| ACST | Asymptomatic Carotid Surgery Trial |
| ACST | Australian College of Sports Therapy |
| ACST | Avon Community Swim Team |
| ACSU | Activation and Coordination Support Unit |
| ACSU | Algemene Chinese school Utrecht |
| ACSU | Appeals Chamber Support Unit |
| ACSUS | Adverse Consequences of Substance Use Scale |