| TADC | Tactical Air Direction Center 
| Others |
| TADC | Tarboro Area Development Corporation
| Others |
| TADC | Templeton Area Development Corporation
| Others |
| TADC | Texas Association of Defense Counsel
| Others |
| TADC | Texas Association of Developing Colleges
| Others |
| TADC | The Apparent Diffusion Coefficient
| Others |
| TADC | Tibetan Architecture Documentation Centre
| Others |
| TADC | Tors Authorized Design Center
| Others |
| TADC | Total Allowable Developmental Catch
| Others |
| TADC | Transverse Apparent Diffusion Coefficient
| Others |
| TADC | Trauma and Anxiety Disorders Clinic
| Others |
| TADC | Tumor Associated Dendritic Cells
| Others |
| TADC | Tunable Atmospheric Dispersion Compensator
| Others |