LPSS
| Acronym | Definition |
|---|---|
| LPSS | Lorne Park Secondary School (Ontario, Canada) |
| LPSS | Lafayette Parish School System (Louisiana) |
| LPSS | Lucent Public Safety Systems |
| LPSS | Low-Pressure Sewer Systems |
| LPSS | Law, Public Safety and Security |
| LPSS | Long-Pulse Spallation Source |
| LPSS | Amphibious Transport Submarine |