PTTA
| Acronym | Definition |
|---|---|
| PTTA | Pesawat Terbang tanpa Awak (Indonesian: Aircraft without Crew; Department of Defense; Indonesia) |
| PTTA | Partially Type-Tested Assembly |
| PTTA | Prestwick Town Twinning Association (UK) |
| PTTA | Property Transfer Tax Act |
| PTTA | Postdoctoral Trainee Travel Award (Society for Neuroscience) |
| PTTA | Pure Tone Threshold Audiometrics |