| Acronym | Definition |
|---|
| TTR➣Time in Therapeutic Range (anticoagulant control) |
| TTR➣Thermal Transfer Ribbon (printing) |
| TTR➣Toontown Rewritten |
| TTR➣Tap Tap Revenge (gaming) |
| TTR➣Transthyretin |
| TTR➣Ticket To Ride (World Snowboard Tour) |
| TTR➣Transition to Retirement (various organizations) |
| TTR➣Tangent Tangent Radius |
| TTR➣Tourist Trophy Racing |
| TTR➣Through the Road |
| TTR➣Transmission Trailer |
| TTR➣Transaction Tax Resources (Oregon) |
| TTR➣Time to Read (AOL Time Warner literacy-mentoring program) |
| TTR➣Transformer Turns Ratio (electric power transmission and distribution) |
| TTR➣Time To Repair |
| TTR➣The Third Reich (infantry game) |
| TTR➣Target Tracking Radar |
| TTR➣Type-Token Ratio |
| TTR➣Tech Talk Radio (Australia) |
| TTR➣Tap Tap Revolution (game for the iPhone) |
| TTR➣Time to Recurrence (oncology) |
| TTR➣Touch-Tone Registration |
| TTR➣Threshold Transaction Report (finance) |
| TTR➣Texas Teens Read! (Texast State Library and Archives Commission) |
| TTR➣Time To Run (equipment servicing) |
| TTR➣Toes through Rings (exercise) |
| TTR➣Twin/Tone Records |
| TTR➣Hereditary Transthyretin |
| TTR➣Time to Resolve (incident management) |
| TTR➣Toronto Terminals Railway Company |
| TTR➣Trix Twin Railway (model railway) |
| TTR➣Team Technique Racing (gaming) |
| TTR➣Top Tension Riser (drilling) |
| TTR➣Test Time Reduction |
| TTR➣Turun Tibai Rosmah (Malaysian political campaign) |
| TTR➣Touch Tone Receiver |
| TTR➣Trinidad and Tobago Regiment |
| TTR➣Time-To-React |
| TTR➣Toyota Trail Riders |
| TTR➣TCM-ISDN Timing Reference (ITU-T) |
| TTR➣Tonapah Test Range |
| TTR➣Timed Token Rotation |
| TTR➣Target Therapeutic Range (clinical treatment) |
| TTR➣Time to Try Reassignment (ITU-T) |
| TTR➣Tactical Training Range |
| TTR➣Thermal Test Reactor |
| TTR➣Turbo Tech Racing |
| TTR➣The True Religion |
| TTR➣The True Rules (web TV talk show) |
| TTR➣Turk Ticaret Rehberi |
| TTR➣Turk Ticaret Rehberi (Turkeys Trade Guide) |
| TTR➣Team Townend Racing (radio control car website) |
| TTR➣Terry's Texas Rangers (8th Texas Cavalry Regiment) |
| TTR➣Transactional Track Record (Zuvinova) |
| TTR➣Technology Transfer Report |
| TTR➣Time to Try Resynchronization (ITU-T) |
| TTR➣Trend Tracking Report |
| TTR➣Total Technology Resources, LLC (Philadelphia, PA) |
| TTR➣Training Testing Revision |
| TTR➣Tissue Temperature Rise |
| TTR➣Tee Time Reservations (golf) |
| TTR➣Terrorist Threat Report |
| TTR➣TAP Transceiver |
| TTR➣Tunisienne Transport Routier (French: Tunisian Road Transport; Tunisia) |
| TTR➣Test, Troubleshoot and Repair (electronic device repair) |
| TTR➣Technical Test Report |
| TTR➣Todd Terry Rico (foosball company) |
| TTR➣Talking Taco Radio |
| TTR➣Telegraphic Transfer Reimbursement |