PPTI
| Acronym | Definition |
|---|---|
| PPTI | Protein Polymer Technologies, Inc. (Delaware and California) |
| PPTI | Philippine Precision Technology, Inc. |
| PPTI | Persistence Power Training Institute (India) |
| PPTI | Physical Planning Technologies Inc. (Canada) |
| PPTI | Pleural Pressure-Time Index |
| PPTI | Primary Plugging Temperature Indicator |
| PPTI | Paguyuban Petani Tambak Indramayu (Indonesian: Farmers Pond Circle Indramayu; Indramayu, Indonesia) |