IOPP
| Acronym | Definition |
|---|---|
| IOPP | Institute of Packaging Professionals |
| IOPP | International Oil Pollution Prevention |
| IOPP | Institute of Physics Publishing |
| IOPP | International Organization of Performing Poets |
| IOPP | Institute of Physics Press (Institute of Physics; Philadelphia, PA) |
| IOPP | Inadvertent Overrun and Payback Policy |