| Acronym | Definition |
|---|
| TDAP | Tetanus Diphtheria and Pertussis (vaccine) |
| TDAP | Trade Development Authority of Pakistan |
| TDAP | Tetanus, Diphtheria and Acellular Pertussis |
| TDAP | Telecommunications Devices Access Program |
| TDAP | Taught Degree Awarding Power (higher education; UK) |
| TDAP | Training Development Action Plan |
| TDAP | Total Distribution Action Plan |
| TDAP | Tourism Development Action Plan (UK) |
| TDAP | Technology Development and Acquisition Program |
| TDAP | Transitional Data Access Provider |
| TDAP | Technical Data Acquisition Plan |
| TDAP | TECOM Data Acquisition Program |
