MBSL
| Acronym | Definition |
|---|---|
| MBSL | Merchant Bank of Sri Lanka |
| MBSL | Meters Below Sea Level (measurement) |
| MBSL | Max Beckmann Seiner Liebsten (German: Max Beckmann His Sweetheart; novel) |
| MBSL | McNally Business Services Limited (Ireland) |
| MBSL | Minimum Basic Setback Line |
| MBSL | Mean Blood Sugar Levels (diabetes research) |