| TAO | Qingdao, Mainland China 
| Others |
| TAO | Tactical Action Officer
| Others |
| TAO | Tactical Actions Officer
| Others |
| TAO | Tactically Augmented Organism
| Others |
| TAO | Tailored Access Operations
| Others |
| TAO | Taoist Arts Organisation
| Others |
| TAO | Taxpayer Assistance Order
| Others |
| TAO | Technical Assistance Organization
| Others |
| TAO | Technology Association of Oregon
| Others |
| TAO | Technology, Application, and Organization
| Others |
| TAO | Teen Advice Online
| Others |
| TAO | Teleology Affordance Ontology
| Others |
| TAO | Temperature Air Outlet
| Others |
| TAO | Temple Adath Or
| Others |
| TAO | Test Acceleration and Optimization
| Others |
| TAO | Testability, Analysis, and Optimization
| Others |
| TAO | The Ace Orb
| Others |
| TAO | The American Organist
| Others |
| TAO | The Anarchist Organization
| Others |
| TAO | The Ardennes Offensive
| Others |
| TAO | The Art Of Objects
| Others |
| TAO | The Associations and Objects
| Others |
| TAO | Therapist Assisted Online
| Others |
| TAO | Therapy Assistance Online
| Others |
| TAO | Third Age Online
| Others |
| TAO | Thomas A Owen
| Others |
| TAO | Thrombo-Arteritis Obliterans.
| Others |
| TAO | Thyroid Associated Ophthalmopathy
| Others |
| TAO | Thyroid Associated Orbitopathy
| Others |
| TAO | Together as One
| Others |
| TAO | Topics, Associations, and Occurrences
| Others |
| TAO | Tour Auto Optic
| Others |
| TAO | Tower Automotive Operations
| Others |
| TAO | Trace Architecture Office
| Others |
| TAO | Track At Once
| Others |
| TAO | Track-At-Once
| Others |
| TAO | Traffic Area Office
| Others |
| TAO | Trans-Atlantic Abort
| Others |
| TAO | Transparency Authenticity and Openness
| Others |
| TAO | Triple Antibiotic Ointment
| Others |
| TAO | Triple Antibotic Ointment
| Others |
| TAO | Tropical Atmosphere Ocean
| Others |
| TAO | Truth Above Oneself
| Others |