| Acronym | Definition |
|---|
| TDC | Top Dead Center |
| TDC | Time-to-Digital Converter |
| TDC | Total Development Cost |
| TDC | Tabular Data Control |
| TDC | Texas Department of Corrections |
| TDC | The Discovery Channel |
| TDC | Torpedo Data Computer |
| TDC | Theater Deployable Communications |
| TDC | Training Development Corporation |
| TDC | Transfer of Development Credits |
| TDC | Teale Data Center |
| TDC | Tele Danmark Communications (Danish telecommunication provider) |
| TDC | Tele Danmark Communications (Danish Telephone Company) |
| TDC | Transparent Data Channel |
| TDC | Total Delivered Cost |
| TDC | Technical Data Center |
| TDC | Theater Distribution Center |
| TDC | Training and Development Canada |
| TDC | Tape Data Controller |
| TDC | Tauranga District Council (Tauranga, New Zealand) |
| TDC | Team Discovery Channel |
| TDC | Teacher Development Centre |
| TDC | Thy Data Center |
| TDC | Threat, Duress and Coercion |
| TDC | Time Domain Corp. |
| TDC | Texas Dawah Convention |
| TDC | Training and Doctrine Command |
| TDC | Time Delay Compensation |
| TDC | Test and Diagnostics Consortium (non-profit organization composed of T&D organizations across industries) |
| TDC | The Driving Conditions (band) |
| TDC | Technology Demonstration Center |
| TDC | Target Data Computer |
| TDC | Technical Development Curriculum |
| TDC | Teacher Development Course |
| TDC | Tufts Dance Collective |
| TDC | Trainee Detective Constable |
| TDC | Time Domain Correlation |
| TDC | Three-Year Degree Course |
| TDC | Technical Data Card |
| TDC | Travel Document Checker |
| TDC | Texaco Development Corporation |
| TDC | The Dan Cossette (comedian) |
| TDC | Targeted Design Constituent |
| TDC | Thermal Diffusion Coefficient |
| TDC | Time Dispersal Coding |
| TDC | Tambuyog Development Center, Inc. |
| TDC | Training Development Capability |
| TDC | Tunneled Dialysis Catheter |
| TDC | The Death Company (gaming clan) |
| TDC | Technical Directive Code |
| TDC | Throttle Designator Controller |
| TDC | Trident Data Center |
| TDC | Takla Development Corporation Ltd. |
| TDC | Time-Dependent Current |
| TDC | The Drinking Christians/Catholics (group) |
| TDC | Total Diversity Concept |
| TDC | Technology Development Contractor |
| TDC | Technical Delivery Centre |
| TDC | Technical Directive Change |
| TDC | Transition Document Change |
| TDC | Tactical Data Coordinator |
| TDC | Time Distance Calculator |
| TDC | Technical Document Coordinator |
| TDC | Tignor Dental Clinic |
| TDC | Troop Data Collector |
| TDC | Training Devices Center |
| TDC | Total Distribution Control |