| CTTO | Central Tactics and Trials Organization
| Others |
| CTTO | Central Technology Transfer Office (University College Dublin)
| Others |
| CTTO | Central Trials and Tactics Organisation
| Others |
| CTTO | Commercial Technology Transition Office
| Others |
| CTTO | Composite Time Trade Off
| Others |
| CTTO | Concurrent Test and Training Operations
| Others |
| CTTO | Concurrent Test Training and Operations
| Others |
| CTTO | Concurrent Test Training Ops
| Others |
| CTTO | Credit To The Original
| Others |
| CTTO | Credit To The Owner
| Others |
| CTTO | Credits To The Owner
| Others |
| CTTO | Currency Transaction Tax Organisation
| Others |
| CTTO | Cyber Toy Toy Orchestra
| Others |