Found 4 full forms for PTNI
| Term | Full Form | Category |
|---|---|---|
| PTNI | People's Television Network, Inc. 
| Others |
| PTNI | Pipeline Trans-Nord Inc.
| Others |
| PtNi | Platinum Nicke
| Others |
| PtNi | Prueba de Tamiz del Neurodesarrollo Infantil
| Others |