| Acronym | Definition |
|---|
| TLO➣Texas Legislature Online |
| TLO➣Threat Level Orange |
| TLO➣True Living Organics (horticulture) |
| TLO➣The Lucky One (book and film) |
| TLO➣Tenant Liaison Officer (various companies; UK) |
| TLO➣Trichotillomania Learning Center (Santa Cruz, CA) |
| TLO➣The Last Olympian (novel) |
| TLO➣Traveller Liaison Officer (UK) |
| TLO➣The Little One |
| TLO➣The Last One (Consultants) |
| TLO➣Thematic Learning Objective |
| TLO➣Technology Licensing Organization (Japan) |
| TLO➣Twitter Link Only (social media) |
| TLO➣Terminal Learning Objective |
| TLO➣Total Loss Only |
| TLO➣The Lancet Oncology (publication) |
| TLO➣Terrorism Liaison Officer |
| TLO➣Time-Limited Offer |
| TLO➣Tribal Liaison Office (Afghanistan) |
| TLO➣Time and Labor Online (software) |
| TLO➣Technical Liaison Officer |
| TLO➣Top-Level Object (object oriented programming) |
| TLO➣Toulouse Les Orgues (French: The Toulouse Organs; music festival) |
| TLO➣Temporary Lay-Off |
| TLO➣Technical Liaison Office (Telcordia) |
| TLO➣Task-Level Organization |
| TLO➣Thoracolumbar Orthosis |
| TLO➣The List Online (subscription based resource) |
| TLO➣Three Letter Organization |
| TLO➣Train Load-Out (area where coal product is loaded onto train) |