| Acronym | Definition |
|---|
| PIAP | Public Internet Access Point |
| PIAP | Post Inspection Action Plan (UK schools) |
| PIAP | Pesticides Incidents Appraisal Panel (United Kingdom) |
| PIAP | Printing Industries Association of the Philippines |
| PIAP | Parents in a Pinch (childcare and eldercare service) |
| PIAP | Peas In A Pod |
| PIAP | Project Identification, Appraisal and Prioritisation |
| PIAP | Program Improvement and Accountability Plan |
| PIAP | Police Information Assessment Process |
| PIAP | Pink Isn't Always Pretty (breast cancer awareness and support organization) |
| PIAP | Pain in Ass Patient |
| PIAP | Performance and Improvement and Accountability Plan |