| Acronym | Definition |
|---|
| LASS | Language and Social Skills (education; various locations) |
| LASS | Leisure Accident Surveillance System |
| LASS | Law, Arts and Social Sciences |
| LASS | Language Arts & Social Studies |
| LASS | Language Acquisition Support System |
| LASS | Lightweight Armament Support Structure (US DoD) |
| LASS | Local Area Signaling Services |
| LASS | Language Acquisition Supporting System |
| LASS | Local Authentication Subsystem (Microsoft Windows CE) |
| LASS | Launch Area Support Ship |
| LASS | Latin American Sleep Society |
| LASS | Low Altitude Space Surveillance |
| LASS | Lehramtsassessor |
| LASS | Laser Aim Scoring System |
| LASS | Lidb Access Support System |
| LASS | Light Armor Systems and Survivability (US Army) |
| LASS | Low Altitude Surveillance Radar |
| LASS | Logistics Automated Support System |
| LASS | Laboratory for Analysis of Safety Systems |
| LASS | Large Area Screening System |
| LASS | Large Aperture Superconductor Spectrometer |
| LASS | Link Audio Signal Simulator |
| LASS | Logistic Support Analysis Application Status System |
| LASS | low alloy strength steel |
| LASS | Learning Assistance Support System |