| Acronym | Definition |
|---|
| TTO➣This Trip Only (casino credit) |
| TTO➣Talk To (command in the LOGO programming language) |
| TTO➣Trinidad and Tobago (ISO Country code) |
| TTO➣Tea Tree Oil |
| TTO➣Tractor Trailer Operator |
| TTO➣Technology Transfer Office |
| TTO➣Thermal Transfer Overprinting (various companies) |
| TTO➣Time Trade-Off |
| TTO➣Total Toxic Organics |
| TTO➣To Take Out (prescriptions in hospital discharge summary) |
| TTO➣Tactical Technology Office (DARPA) |
| TTO➣Tortoise Capital Resources Corporation (stock symbol) |
| TTO➣Triple Trend Oscillator (finance) |
| TTO➣Transtracheal Oxygen |
| TTO➣Training Time Out |
| TTO➣Three True Outcomes (baseball) |
| TTO➣ToonTown Online (game) |
| TTO➣Technology Transition Office (US DoD) |
| TTO➣Transmission Top-Off (automotive assembly) |
| TTO➣Technical Task Order |
| TTO➣Transient Tracers in the Oceans |
| TTO➣Trailing Throttle Oversteer |
| TTO➣Triple Tibial Osteotomy (veterinary medicine) |
| TTO➣Test Time Objective (disaster recovery) |
| TTO➣Tool Try Out |
| TTO➣Technical Training Organization (Texas Instruments, Inc.) |
| TTO➣Time to Onset (medical manifestation) |
| TTO➣Transition to Operations |
| TTO➣Tactile Technology Office |
| TTO➣Thermal Transfer Overlay (printers) |
| TTO➣Technical Training Officer |
| TTO➣Tourist Third Open (railways; UK) |
| TTO➣Transnational Terrorist Organization |
| TTO➣Tourism Training Organisation |
| TTO➣Tanker Take Over |