| Acronym | Definition |
|---|
| PNAT➣Parco Nazionale Arcipelago Toscano (Italian: Tuscan Archipelago National Park; Portoferraio, Italy) |
| PNAT➣Port Network Address Translation |
| PNAT➣Polymorphic N-Acetyltransferase (gene) |
| PNAT➣Phase Noise Analysis Tool |
| PNAT➣Pre-Nursing Assessment Test (various locations) |
| PNAT➣Producer Name and Address Table |