| 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 |