MLSB
| Acronym | Definition |
|---|---|
| MLSB | Macrolide-Lincosamide-Streptogramin B |
| MLSB | Major League Scouting Bureau (baseball) |
| MLSB | Machine Learning in Systems Biology (workshop) |
| MLSB | membrane lauryl sulphate broth |
| MLSB | Major League Softball |
| MLSB | Multinational Logistic Support Base |
| MLSB | Mid-Left Sternal Border |