| Acronym | Definition |
|---|
| RCDA➣Roman Catholic Diocese of Albany (Albany, New York) |
| RCDA➣Risk-and Cost Driven Architecture (computing) |
| RCDA➣Research Career Development Award (various organizations) |
| RCDA➣Richmond County District Attorney (New York) |
| RCDA➣Religion in Communist Dominated Areas (journal) |
| RCDA➣Ring Christlich Demokratischer Akademiker (German: Ring of Christian Democratic Academics; est. 1951; Berlin, Germany) |
| RCDA➣Research Capacity Development Awards (Trent Research and Development Support Unit; UK) |
| RCDA➣Recurrent Chronic Dissecting Aneurysm (cardiovascular medicine) |