MSBL
| Acronym | Definition |
|---|---|
| MSBL | Men's Senior Baseball League |
| MSBL | Maneuver Support Battle Lab (US Army) |
| MSBL | Midwest Suburban Baseball League (Chicago, IL) |
| MSBL | Mandatory Seat Belt Law (various locations) |
| MSBL | MAGTF Software Baseline |
| MSBL | MAGTF C4I Software Baseline (USMC) |