LSSM
| 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 |