| Acronym | Definition |
|---|
| PIH | Partners in Health (Boston, MA) |
| PIH | Public and Indian Housing (US HUD) |
| PIH | Pregnancy-Induced Hypertension (medical) |
| PIH | Prairie Inn Harriers (running club; Canada) |
| PIH | Permanent Income Hypothesis |
| PIH | Plug-in Hybrid |
| PIH | Presbyterian Intercommunity Hospital (Whittier, CA) |
| PIH | Protected Health Information |
| PIH | Poison Inhalation Hazard |
| PIH | Pan American Institute of Highways |
| PIH | Plug-In Hybrid (vehicle) |
| PIH | Prolactin Inhibiting Hormone |
| PIH | Pocatello, ID, USA (Airport Code) |
| PIH | Provinciale Industriële Hogeschool |
| PIH | Pin in Hole (circuit card assembly process) |