| Acronym | Definition |
|---|
| ARCA➣Area(s) Requiring Corrective Action |
| ARCA➣Automobile Racing Club of America |
| ARCA➣AIDS Research Consortium of Atlanta (Georgia) |
| ARCA➣Asbestos Removal Contractors Association |
| ARCA➣Apollo Root Cause Analysis (trademark of Apollonian Publications, LLC) |
| ARCA➣American Rehabilitation Counseling Association |
| ARCA➣Asociación para la Defensa de los Recursos Naturales de Cantabria (Spanish) |
| ARCA➣Advanced RISC Computing Architecture |
| ARCA➣Associate of the Royal College of Art |
| ARCA➣Association for Residency and Citizenship of America |
| ARCA➣American Rock Crawling Association (now Rock Crawlers Association of America) |
| ARCA➣American Rehabilitation Counselors Association |
| ARCA➣Advanced Reservation of Capacity Agreement (National Grid) |
| ARCA➣Automobile Race Car Association |
| ARCA➣Attached Resupply Carrier |
| ARCA➣American Roof Cleaners Association (Thomasville, GA) |
Arca - type genus of the family Arcidae: ark shells and blood clams