| Acronym | Definition |
|---|
| MSLR➣Mid-Suffolk Light Railway (UK) |
| MSLR➣Manchester, Sheffield and Lincolnshire Railway |
| MSLR➣Morphological and Syntactic LR Parser |
| MSLR➣Max Scan Line Register (computer science) |
| MSLR➣Metis Settlements Land Registry (Canada) |
| MSLR➣Mixed Skin Lymphocyte Reaction (aka Mixed Skin Lymphocyte Response; dermatology) |