HPPL
| Acronym | Definition |
|---|---|
| HPPL | Homeless Pet Placement League (Houston, TX) |
| HPPL | Highland Park Public Library (various locations) |
| HPPL | High Pressure Plastic Laminate |
| HPPL | High Power Photoluminescence |
| HPPL | hydrostatic pressure photoluminescence |
| HPPL | Harrington Park Public Library (New Jersey) |