| TDO | Table of Denial Orders 
| Others |
| TDO | Tactical Data Officer
| Others |
| TDO | Tal Dissolved Oxygen
| Others |
| TDO | Talent Development Opportunity
| Others |
| TDO | Task Description Object
| Others |
| TDO | Taxpayer District Office
| Others |
| TDO | Technology Development Organization
| Others |
| TDO | Teen Dance Ordinance
| Others |
| TDO | Temporarily Denial Order
| Others |
| TDO | Temporary Detention Order
| Others |
| TDO | Temporary Detention Orders
| Others |
| TDO | Test Data Output
| Others |
| TDO | The Daily Objectivist
| Others |
| TDO | The Dallas Opera
| Others |
| TDO | The Dark Ones
| Others |
| TDO | The Dark Order
| Others |
| TDO | The Defiant Ones
| Others |
| TDO | The Design Office, Inc.
| Others |
| TDO | The Devious One
| Others |
| TDO | The Digital Office
| Others |
| TDO | The Discipline of Organizing
| Others |
| TDO | The Doctor's Office
| Others |
| TDO | This Dysfunctional Organization
| Others |
| TDO | Time Delay Open
| Others |
| TDO | Tobacco Documents Online
| Others |
| TDO | TodaysDomainOnline.com
| Others |
| TDO | Total Digital Office
| Others |
| TDO | Town Directories Online
| Others |
| TDO | Traffic Data Online
| Others |
| TDO | Training Development Officer
| Others |
| TDO | Transaction Data Object
| Others |
| TDO | Transverse Direction Orientation
| Others |
| TDO | Tricho Dento Osseous
| Others |
| TDO | Tricho- Dento- Osseous Syndrome
| Others |
| TDO | Type Definition Object
| Others |
| TDO | Type Descriptor Object
| Others |
| TDO | Typed Data Object
| Others |