| Abbreviation | Definition |
|---|---|
| CTBA | Central Texas Barbecue Association |
| CTBA | Central Texas Beekeepers Association |
| CTBA | Central Texas Bengali Association |
| CTBA | Central Texas Bluegrass Association |
| CTBA | Chinese Taipei Basketball Association |
| CTBA | Colorado Thoroughbred Breeders Association |
| CTBA | Croatian Technology Business Association |
| CTCA | California Tuberculosis Controllers Association |
| CTCA | Chinese Taipei Chess Association |
| CTCA | Colorado Teen Court Association |
| CTEA | Canadian Transportation Equipment Association |
| CTEA | Central Texas Electronics Association |
| CTFA | Chinese Taipei Football Association |
| CTFA | Cosmetic Toiletry and Fragrance Association |
| CTFA | Cosmetic, Toiletry, and Fragrance Association |
| CTHA | Canadian Tamils Humanitarian Association |
| CTHA | Central Texas Historical Association |
| CTHA | Chattahoochee Trail Horse Association |
| CTHA | Cincinnati Transit Historical Association |
| CTMA | China Tibet Mountaineering Association |