| CTASA | Callanetics Teachers Association of South Africa 
| Others |
| CTASA | Chinese Taipei Amateur Softball Association
| Others |
| CTASA | Communications Technician (administrative) Seaman Apprentice
| Others |
| CTASA | Community Tourism Association of South Africa
| Others |
| CTASA | Cross Timbers Action Shooting Association
| Others |
| CTASA | Cryptologic (administrative) Seaman Apprentice
| Others |