| Acronym | Definition |
|---|
| RCA | Radio Corporation of America |
| RCA | Royal College of Art (London, UK) |
| RCA | Reformed Church in America |
| RCA | Root Cause Analysis |
| RCA | Right Coronary Artery |
| RCA | Research Chefs Association |
| RCA | Rural Cellular Association |
| RCA | Republique Centrafricaine (Central African Republic) |
| RCA | Real Capital Analytics |
| RCA | Rabbinical Council of America |
| RCA | Rolling-Circle Amplification |
| RCA | Revealed Comparative Advantage (economics) |
| RCA | Royal Canadian Artillery |
| RCA | Resolución de Calificación Ambiental (Spanish: Environmental Qualification Resolution; Chile) |
| RCA | Radio Club of America |
| RCA | Recovering Couples Anonymous |
| RCA | Royal Canadian Academy of Arts (Canada) |
| RCA | Royal College of Anaesthetists (UK) |
| RCA | Recycled Concrete Aggregate |
| RCA | Resource Consumption Accounting (accounting) |
| RCA | Riot Control Agent |
| RCA | Replication Competent Adenovirus |
| RCA | Responsabilità Civile Auto (Italy) |
| RCA | Rockfish Conservation Area |
| RCA | Ripple Carry Adder |
| RCA | Recycling Council of Alberta |
| RCA | Rabbinical College of America (Morristown, New Jersey) |
| RCA | Rural Carrier Associate |
| RCA | Radio Club Argentino |
| RCA | Rental Car Agency |
| RCA | Road Controlling Authority |
| RCA | Relative Comparative Advantage |
| RCA | Radiological Control Area (FEMA) |
| RCA | Radio Communications Agency |
| RCA | Reach Cruising Altitude (Australian AIP) |
| RCA | Route Cause Analysis (accident investigation technique) |
| RCA | Réseau de Cancérologie d'Aquitaine (French: Aquitaine Oncology Network) |
| RCA | Relative Card Address |
| RCA | Residential Care Aide |
| RCA | Réguer Capital Associates (French consulting firm) |
| RCA | Retirement Compensation Agreement (used to assist in retirement planning for high-level executives) |
| RCA | Raspunderea Civila Auto (Romania: Auto Civil Responsibility) |
| RCA | Random Coefficient Autoregressive |
| RCA | Reduced Constellation Algorithm |
| RCA | Reuse Cost Avoidance |
| RCA | Rules of Conciliation and Arbitration |
| RCA | Rare Cancer Alliance |
| RCA | Radiological Consultants Association |
| RCA | Regional Co-operation Agreement (15-nation agreement under the auspices of the International Atomic Energy Agency) |
| RCA | Soil and Water Resource Conservation Act of 1977 |
| RCA | Request for Contract Action |
| RCA | Roman Collar Amnesia |
| RCA | Rialto Center for the Arts (Atlanta, GA) |
| RCA | Racetrack Chaplaincy of America |
| RCA | Replacement Cost Appraisal |
| RCA | Research Council of Alberta |
| RCA | Reactor Controls Assistant |
| RCA | Recruit Candidate Academy (Utah Valley University firefighter training) |
| RCA | Rodeo Cowboys of America |
| RCA | Radio Collectors of America (old-time radio) |
| RCA | Rate Change Authorization |
| RCA | Rearrangeable Compact Assignment |
| RCA | Radar Controlled Approach |
| RCA | Rogue Canine Agility, Inc. (Phoenix, OR) |
| RCA | Radiative Cooler Assembly |
| RCA | Resonance Curve Area |
| RCA | Ringgit Cost Averaging |
| RCA | Remote Call Assistance |
| RCA | Rescue Coordinator, Air (Swedish) |
| RCA | Regional Communication Analyst |
| RCA | Request for Commission Action (Montana) |
| RCA | Recursive Contraction Algorithm (computer science) |
| RCA | Readers' Choice Award |
| RCA | Regional Center for the Arts (various locations) |
| RCA | Regulatory Commission of Alaska (Anchorage, AK) |
| RCA | Remote Controlled Aircraft |
| RCA | Russia and Central Asia |
| RCA | Root Certificate Authority (computer secuirty software) |