| Acronym | Definition |
|---|
| QCCA➣Quality Control Concerted Action (EU) |
| QCCA➣Quad Cities Conservation Alliance (Rock Island, IL) |
| QCCA➣Queensland Centre for Climate Applications (Australia) |
| QCCA➣Queens Crescent Community Association (UK) |
| QCCA➣Queen City Careers Association (Cincinnati, OH) |
| QCCA➣Quasiclassical Close-Coupling Approximation |