| Acronym | Definition |
|---|
| TTI➣Texas Transportation Institute |
| TTI➣Taman Tamadun Islam |
| TTI➣Threat to Interfere (network congestion) |
| TTI➣Target to Improve (various companies) |
| TTI➣Thurlby Thandar Instruments (UK) |
| TTI➣Travel and Tourism Industry |
| TTI➣Transmitter Terminal Identification |
| TTI➣Two Task Interface |
| TTI➣Travel Trade Italia |
| TTI➣Telecom Technologies, Inc. (Eagan, MN) |
| TTI➣Transmission Time Interval |
| TTI➣Techtronic Industries Co., Ltd. (Hong Kong) |
| TTI➣Trade, Tourism and Investment |
| TTI➣Ten Thousand Islands (island chain; Florida) |
| TTI➣Thoracic Trauma Index |
| TTI➣Travel Time Index |
| TTI➣Tourism, Trade and Investment |
| TTI➣Team Traduzione Italiano (Italian: Italian Translation Team) |
| TTI➣Teacher Training Initiative (various organizations) |
| TTI➣Travel Technology Initiative |
| TTI➣Travel and Transportation Industry |
| TTI➣Timbre Technologies, Inc. (Fremont, CA) |
| TTI➣Team Technology, Inc. (various locations) |
| TTI➣Traffic and Traveller Information |
| TTI➣Technology Transfer Initiative |
| TTI➣Technology Transfer Institute |
| TTI➣Teaching Translation & Interpreting (Conference) |
| TTI➣Time Temperature Integrator |
| TTI➣Transparent Technologies, Inc. (Lawrenceville, GA) |
| TTI➣Trail Trace Identifier |
| TTI➣Time-Temperature Index |
| TTI➣Total Totals Index (meteorology, severe weather forecasting) |
| TTI➣Toshiba Trading Inc. (Japan) |
| TTI➣Tactical Traffic Image |
| TTI➣Terminal Translation Initialization |
| TTI➣Transmit Terminal Identification (fax) |
| TTI➣Telecom Trends International, Inc. |
| TTI➣Trigger Time Interpolator |
| TTI➣Training and Treatment Innovations, Inc. (Oxford, MI) |
| TTI➣Tech Trans International |
| TTI➣Tampa Technical Institute |
| TTI➣Trusted Time Infrastructure |
| TTI➣Tactical Target Illustration |
| TTI➣Total Translation, Inc. (est. 1994; Florida) |
| TTI➣The Triangle Institute (Human Rights Campaign) |
| TTI➣Transaction Technologies, Incorporated |
| TTI➣Teacher Telephone Interview (behavioral science) |
| TTI➣Technology Transfer Injection |
| TTI➣Transit Time Isolator |
| TTI➣Test Target Insertion |
| TTI➣Traveling Ticket Inspector (UK railways) |
| TTI➣Tilted Transverse Isotropic (seismic processing) |
| TTI➣Transportable Theater Injection (satellite terminal) |
| TTI➣Time To Intercept/Impact |
| TTI➣TEAM TESOL institute (Calgary, Alberta, Canada) |
| TTI➣TEMPEST Technologies, Inc. |