| Abbreviation | Definition |
|---|---|
| CAT | Chamber of Architects of Turkey |
| CATH | Cathedral |
| CATH | Class Architecture Topology and Homologous |
| CATH | class architecture topology homologous |
| CATH | Class Architecture Topology Homology |
| CAUD | Commission on Architecture and Urban Design |
| CAUP | College of Architecture and Urban Planning |
| CAUS | College of Architecture and Urban Studies |
| CAUS | College of Architecture Urban Studies |
| CAWE | Common Architecture Weakness Enumeration |
| CB | Cambered Bottom |
| CB | Catch Basin |
| CB | Closed Building |
| CBC | Cyclic Beam Columns |
| CBEA | Cell Broadband Engine Architecture |
| CBHCC | Canadian Board for Harmonized Construction Codes |
| CBM | Cubic Meters |
| CBO | Certified Building Official |
| CBP | Chequer-Board Pattern |
| CBRA | Component based Rails Architecture |