| Acronym | Definition |
|---|
| USCTA➣United States Combined Training Association (now United States Eventing Association) |
| USCTA➣United States Court Tennis Association |
| USCTA➣Uganda Sugar Cane Technologists Association (Kampala, Uganda) |
| USCTA➣US-Cuba Trade Association |
| USCTA➣US Contract Tower Association (American Association of Airport Executives) |