| Acronym | Definition |
|---|
| OTT➣Ottawa (Ontario, Canada) |
| OTT➣Office of Technology Transfer |
| OTT➣Over The Top |
| OTT➣Open Office Text Template |
| OTT➣Object Type Translator (computing) |
| OTT➣Office of Transportation Technologies (US DOE) |
| OTT➣Overseas-Trained Teacher (UK) |
| OTT➣Off the Truck |
| OTT➣Office of Technology Transition (ODUSDS&T) |
| OTT➣Oikeustieteen Tohtori (Finnish: Doctor of Laws; law degree) |
| OTT➣One Tool Torque (trademark of Master Lock Company, LLC) |
| OTT➣Office of Training Technology (Chief of Naval Operations) |
| OTT➣Our Toxic Times (newsletter of the Chemical Injury Information Network) |
| OTT➣Office of Travel and Tourism |
| OTT➣Optical Technology Training Ltd (UK) |
| OTT➣Obelisk the Tormentor (Yu-Gi-Oh! card) |
| OTT➣Operator Tactics Trainer |
| OTT➣One-Time Tape |
| OTT➣Ontario Traffic Tickets (OTT Legal Services, Inc.; Canada) |
| OTT➣Operating Theatre Technician (UK) |
| OTT➣Off Their Trolley |
| OTT➣Ocean Tactical Targeting |
| OTT➣Office of Technological Terminology (Technion, Israel) |
| OTT➣Output Threshold Test |
| OTT➣Office of Outreach and Technology Transfer (North Carolina) |
| OTT➣Origin Truck Terminal |
| OTT➣Operational Training Test |