| Acronym | Definition |
|---|
| CAAR | Cumulative Average Abnormal Return (investing) |
| CAAR | Capital Area Association of Realtors (Illinois) |
| CAAR | Charlottesville Area Association of Realtors (Charlottesville, VA) |
| CAAR | Centre for Accounting and Auditing Research |
| CAAR | Combat After Action Report |
| CAAR | Cataract, Autosomal Recessive, Early-Onset, Pulverulent |
| CAAR | Capital Acquisition Authorisation Requests |
| CAAR | Consortium of Automotive Aftermarket Retailers (UK) |
| CAAR | Committee Against Academic Repression |
| CAAR | Club des Amateurs d'Anciennes Renault (French: Club of Lovers of Old Renault; automobile enthusiast group) |