| Acronym | Definition |
|---|
| SIRCA➣Securities Industry Research Centre of Asia-Pacific (Australian and New Zealand universities) |
| SIRCA➣Study of Inherited Risk of Coronary Atherosclerosis (University of Pennsylvania) |
| SIRCA➣Silicone Impregnated Reusable Ceramic Ablator (Ames Research Center; US NASA) |
| SIRCA➣Securities Industry Root Certificate Authority (Securities Industry Association) |