| Acronym | Definition |
|---|
| LSSM➣Lutheran Social Services of Michigan |
| LSSM➣London School of Sports Massage (est. 1989; London, England, UK) |
| LSSM➣Local Scientific Survey Module (low-atmosphere exploration) |
| LSSM➣Launch Site Support Manager |
| LSSM➣Loss of Synchronization State Machine (data transfer) |
| LSSM➣Least Said, Soonest Mended |