| Acronym | Definition |
|---|
| MLSD➣Maximum Likelihood Sequence Detection |
| MLSD➣Medical Lake School District (Medical Lake, WA) |
| MLSD➣Moses Lake School District (Moses Lake, Washington) |
| MLSD➣Ministry of Labor and Social Development (various nations) |
| MLSD➣Missing, Lost, Stolen, Damaged |
| MLSD➣Materiel and Logistics Systems Division (US Army Directorate for Combat Development) |