| Acronym | Definition |
|---|
| LCSS | Lee County School System (Georgia) |
| LCSS | Local Communication Switching System |
| LCSS | Lung Cancer Symptom Scale |
| LCSS | Landing Craft, Support Small (hull classification; US Navy) |
| LCSS | Life Cycle Software Support |
| LCSS | Land Combat Support System |
| LCSS | Liquid Crystal Stereoscopic Shutter |
| LCSS | Lightweight Camouflage Screening System |
| LCSS | Lake Calhoun Sailing School (Minneapolis, MN) |
| LCSS | Lake Cowichan Secondary School |
| LCSS | London Central Secondary School (London, Ontario, Canada) |
| LCSS | Loucouss Corporation Software and Security |
| LCSS | Learning and Corporate Support Services (UK) |