PIVA
| Acronym | Definition |
|---|---|
| PIVA | Printing Industries of Virginia (Ashland, VA) |
| PIVA | Phase-Invertible Variable Attenuator |
| PIVA | Primrose International Viola Archive (est. 1974) |
| PIVA | Provinciaal Instituut Voedingsbedrijven Antwerpen (Dutch: Antwerp Provincial Food Institute; Belgium) |
| PIVA | Positive Isothermal Vorticity Advection |
| PIVA | Post Indicating Valve Assembly |