| Abbreviation | Definition |
|---|---|
| ACSP | ARIN Consultation and Suggestion Process |
| ACSP | Audubon Cooperative Sanctuary Program |
| ACSR | Accredited Customer Service Representative |
| ACSR | Alluminium conductors Steel Reinforced |
| ACSR | Aluminium Conductors Steel Reinforced |
| ACSR | Aluminium Copper Steel Reinforced |
| ACSR | Aluminium Core Steel Reinforced |
| ACSR | Aluminium-Conductor Steel-Reinforced |
| ACSR | Aluminum Cable Steel Reinforced |
| ACSR | Aluminum Conductor Steel Reinforcing |
| ACSR | Aluminum Conductors Steel Reinforced |
| ACSR | Antioch Center for School Renewal |
| ACSR | Arrillaga |
| ACSR | Arrillaga Center for Sports and Recreation |
| ACSS | Academic and Cultural Sharing Scholarship |
| ACSS | Advisory Council on Stewardship and Sustainability |
| ACSS | Africa Center for Strategic Studies |
| ACSS | Afro Celt Sound System |
| ACSS | Aldergrove Community Secondary School |
| ACSS | Aluminium-Conductor Steel Supported |