| Acronym | Definition |
|---|
| PIIP➣Put It in Perspective (US Army) |
| PIIP➣Petroleum Initially in Place (oil industry) |
| PIIP➣People Investing in People (Colorado) |
| PIIP➣Pharmaceutical Industry Investment Program (1999-2004) |
| PIIP➣Programa de Investimentos em Infra-Estruturas Prioritárias (Portugese) |
| PIIP➣Practice Intervention and Improvement Program (Ohio Board of Nursing) |
| PIIP➣Plasma Immersion Ion Processing (vacuum technology) |
| PIIP➣Portable Insulin Infusion Pump |