| TMO | Table Mountain Observatory 
| Others |
| TMO | Take Me Out
| Others |
| TMO | Tally Moronic Official
| Others |
| TMO | Tally Myopic Observer
| Others |
| TMO | Taux Moyen Obligatoire
| Others |
| TMO | Technologies Management Office
| Others |
| TMO | Telecommunications Management Officer
| Others |
| TMO | Telegraph Money Order
| Others |
| TMO | Telegraphic Money Order
| Others |
| TMO | Televised Match Official
| Others |
| TMO | Television Match Official
| Others |
| TMO | Ten Miles Out
| Others |
| TMO | Tenant Management Organisation
| Others |
| TMO | Tenant Management Organization
| Others |
| TMO | Test Manufacturing Order
| Others |
| TMO | The Masked Owl
| Others |
| TMO | The McLean Orchestra
| Others |
| TMO | The Metropolitan Organization
| Others |
| TMO | The Michaels Organization
| Others |
| TMO | The Moving Office
| Others |
| TMO | Thermo- Magneto- Optic technology
| Others |
| TMO | Thermophilic Micro Organism
| Others |
| TMO | Throwing Music Online
| Others |
| TMO | Time Machine Option
| Others |
| TMO | Tomorrows Matronly Ostriches
| Others |
| TMO | Too Many Options
| Others |
| TMO | Tool Manufacturing Order
| Others |
| TMO | Top Motor Oil
| Others |
| TMO | Topic Map Object
| Others |
| TMO | Topless Make Out
| Others |
| TMO | Toprak Mahsulleri Ofisi
| Others |
| TMO | Town Management Organization
| Others |
| TMO | Town Municipal Officer
| Others |
| TMO | Track My Order
| Others |
| Tmo | Traffic malignancy!
| Others |
| TMO | Traffic Management Office
| Others |
| TMO | Traffic Management Organization
| Others |
| TMO | Trail Management Objectives
| Others |
| TMO | Trailer Mount Option
| Others |
| TMO | Train Mobilisation Order
| Others |
| TMO | Transaction Management and Operations
| Others |
| TMO | Transaction Management Operations
| Others |
| TMO | Transaction Mode of Operation
| Others |
| TMO | Transformation Management Office
| Others |
| TMO | Transit Mail Office
| Others |
| TMO | Transition Metal Oxide
| Others |
| TMO | Translational Medicine Ontology
| Others |
| TMO | Transportation Management Office
| Others |
| TMO | Transportation Management Organization
| Others |
| TMO | Transportation Mobility Organization
| Others |
| TMO | Transportation Movement Office
| Others |
| TMO | Transportation Movement Officer
| Others |
| TMO | Treating Medical Officer
| Others |
| TMO | Trial Management Organization
| Others |
| TMO | Truck Manufacturing Operations
| Others |
| TMO | True Mechanical Override
| Others |
| TMO | Trumpet Music Online
| Others |
| TMO | Vitebsk Seaway and Continental Railway (Lincoln Pacific Railway)
| Others |
| TMO | Ztg global optimizer default output file (Zortech C++)
| Others |